Get exclusive access to content from our 1768 First Edition with your subscription. A few bulb-producing species are of economic importance to humans because of the taste and nutritive value of their fleshy leaves; included among such species are the onion and its relatives the shallot, garlic, and leek. Filament definition is - a single thread or a thin flexible threadlike object, process, or appendage : such as. Other bulb-producing plants, such as the lilies, flower in the summer, while a few, such as the meadow saffron, bloom in the fall. When separated, each piece of a rhizome is capable of producing a new plant. Meaning. A measure of luminous intensity. One type, typified by the onion, has a thin papery covering protecting its fleshy leaves. nephridium. 243 Stafford St. Worcester, MA 01603. What is a Protoplast? Examples of bulb in the following topics: Olfactory (I) Nerve. A rhizome (also known as rootstocks) is a type of plant stem situated either at the soil surface or underground that contains nodes from which roots and shoots originate (shown below). In either form, the cilia or the flagellum wave filtered urine down the tube to the outside. If you’re used to thinking in wattage, you're not alone. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. c. A plant that grows from a bulb. Memorize important Biology terms, definitions, diagrams and concepts. A corm, bulbo-tuber, or bulbotuber is a short, vertical, swollen underground plant stem that serves as a storage organ that some plants use to survive winter or other adverse conditions such as summer drought and heat (perennation). derived from classic cartoons when the characters have a lightbulb appear above their head when they have an idea. bulb - lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata); "the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning" Since there is only one parent involved in asexual reproduction, the offspring are genetically identical to the parent and to each other – they are clones. Candela (cd): Unit of light intensity in a specific direction. Rhizomes are unique in that they grow perpendicular, permitting new shoots to grow up out of the ground. hair bulb the bulbous expansion at the proximal end of a hair, in which the hair shaft is generated. A bulb is the roundish, tear-shaped part of some plants. Certain plants have a swollen, underground plant stem called a \"corm.\" The purpose of this stem is to store nutrients, food that the plant will use at a future time. Typical sizes include PS30 and PS40 . The most well known, however, are the flowering types. One or more buds are present in the AXILS of the scale leaves and in the spring these develop into new shoots, utilizing the stored food material. (a) The corm of a garlic plant looks similar to (b) a tulip bulb, but the corm is solid tissue, while the bulb consists of layers of modified leaves that surround an underground stem. bulb of eye eyeball. 2. the stalklike portion of a stamen, supporting the anther. Light is defined as a form of electromagnetic radiation emitted by hot objects like lasers, bulbs, and the sun.. Light contains photons which are minute packets of energy. In horticulture the term bulb is incorrectly applied to a number of botanical structures that have a similar food-storing function. What Is Light Energy? ? 3. auditory bulb the membranous labyrinth and cochlea. Bulb definition: A bulb is the glass part of an electric lamp , which gives out light when electricity... | Meaning, pronunciation, translations and examples Bulb, in botany, a modified stem that is the resting stage of certain seed plants, particularly perennial monocotyledons. …the hollow cell, called a flame bulb (or flame cell) if it possesses cilia, or a solenocyte if it has a flagellum. These bulbs dry out faster and are more easily bruised. Define filament. Tel. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. LED bulbs are expensive to buy, but are they cheaper than halogen bulbs in the long run? bulb - traduction anglais-français. Biology, 27.10.2020 14:50, renukatumane109 What iss the meaning of biology?? a good idea. This definition explains the meaning of Bulb and why it matters. Another gadget, a simple glass bulb with four small vanes inside, the faces of each painted black or white. Changing a light bulb is one of the simplest steps most households can take to save energy. Asexual reproduction in plants. light bulb definition: 1. a rounded glass container with a thin thread of metal inside that produces light when an…. Type S light bulb: Not all types refer just to the mount. Find more ways to say bulb, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. If one or several moderate-sized bulbs form to replace the original bulb, they are called renewal bulbs. n. 1. a usually subterranean and often globular bud having fleshy leaves emergent at the top and a stem reduced to a flat disk, rooting from the underside, as in the onion and lily. bulb of eye eyeball. A bulb is a tuberous food storage organ and a central part of reproduction for a specific class of plants. What are lumens, anyway? ... Plant Biology; Bulb. Most standard screw-base light bulbs—such as the GE 60 watt incandescent light bulb—are "A" bulbs. Learn more. An axon can be over 20 cm (a foot) in length, which for the human body is remarkably long.. Pear shape light bulbs are similar to A light bulbs, except they have a larger diameter, which causes the bulb to look like a pear. The bulb crops include plants such as the tulip, hyacinth, narcissus, iris, daylily, and dahlia. Definition of bulb noun in Oxford Advanced Learner's Dictionary. Anatomy. 1 (888) 455-2800 Fax 1.508.363.2900. www.bulbs.com Prepare for Biology homework and exams with free online flashcards, diagrams, study guides and practice tests. adj., adj bul´bar. Among these are the solid corms of the crocus and gladiolus and the elongated rhizome of some irises. bulb definition: 1. a round root of some plants from which the plant grows: 2. a light bulb 3. a round root of some…. 1. a very fine thread or threadlike structure; a fiber or fibril: filaments of gold. gustatory b's taste buds. 1 (888) 455-2800 Fax 1.508.363.2900. www.bulbs.com What bulbs go in a s-10? The other type, the scaly bulb, as seen in true lilies, has naked storage leaves, unprotected by any papery covering, that make the bulb appear to consist of a series of angular scales. Included also are nonhardy bulbs used as potted plants indoors and summer outdoor plantings such as amaryllises, anemones…, Many bulbous plants have contractile adventitious roots that pull the bulb deeper into the ground as it grows. The bulb burned out in the kitchen. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Nutrients stored in the corm during one growing season will help in the production of roots, leaves, and flowers for the next growing season. This process is called vegetative propagation, or vegetative reproduction. Corrections? The numbers and letters are abbreviations and with the knowledge of what they mean you can easily look for the light bulb you want. any round, enlarged part, esp. noun Anatomy. I see Andy is late getting to the pub again? Electrician Andrew Ridley explains the figures, In hospitality retrofits, LEDs get closer to incandescents: with a billion incandescent bulbs primed for replacement in the hospitality market alone, LED dimming must satisfy a demanding demographic. BULB Meaning: "an onion," from French bulbe (15c. bulb [bulb] a rounded mass or enlargement. We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. any round, enlarged part, esp. How many Jesuits does it take to change a light bulb? bulbar: [ bul´ber ] 1. pertaining to a bulb . Lumens is further defined as the total amount of visible light emitted by a source. any of various small, bulb-shaped structures or protuberances: olfactory bulb; bulb of urethra. Type S light bulbs, for instance, refer to the shorter, rounder-shaped bulbs, and can use the same mount as a Type A or Type B light bulb. In the same family of light bulbs (like incandescents) the higher the wattage the brighter the light is. Look it up now! Another word for bulb. The olfactory nerves consist of a collection of many sensory nerve fibers that extend from the olfactory epithelium to the olfactory bulb, passing through the many openings of the cribriform plate of the ethmoid bone. Bulbs.com. Free learning resources for students covering all major areas of biology. ‘The platinum bulb worked, but platinum was far too expensive to use in commercial light bulbs.’ ‘It is also probably fair to say that Edison did produce the first commercially viable light bulb.’ ‘The inefficient standard light bulb could be phased out within three years … Visible here refers to the light spectrum visible to humans. Each nerve cell has one axon. Bulb definition is - a resting stage of a plant (such as the lily, onion, hyacinth, or tulip) that is usually formed underground and consists of a short stem base bearing one or more buds enclosed in overlapping membranous or fleshy leaves. QUESTION Don’t try planting that kind, though, because lamps don't grow on trees. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Espeon is a quadruped, mammalian Pokémon with slender legs and dainty paws. Not only flowering plants spring from bulbs and other storage structures. One way in which vegetative propagation occurs is through fragmentation, a process in which a severed plant part can grow into a whole new plant. a plant growing from such a bud. Updates? Omissions? Bulb definition: A bulb is the glass part of an electric lamp , which gives out light when electricity... | Meaning, pronunciation, translations and examples In nephridium. The neuron sends electrical impulses from its cell body through the axon to target cells. Bulbs can vary in size from insignificant pea-sized structures to those of large crinum lilies (Crinum species), the individual bulbs of which may weigh more than 7 kg (15 pounds). A bulbil is a small bulb, and may also be called a bulblet, bulbet, or bulbel.. Small bulbs can develop or propagate a large bulb. Forums pour discuter de bulb, voir ses formes composées, des exemples et poser vos questions. Ask your question. Light-emitting diodes are … The bulb crops include plants such as the tulip, hyacinth, narcissus, iris, daylily, and dahlia. bulb [bulb] a rounded mass or enlargement. (a) The olfactory bulb (bulbus olfactorius) is an oval, reddish-gray mass which rests on the cribriform plate of the ethmoid and forms the … Another common bulb shape is the B series bulb, which stands for Blunt tip, and are used in decorative light fixtures when you want a candle-like appearance. ), from Latin bulbus "bulb, bulbous root, onion," from Greek bolbos… See definitions of bulb. 2. pertaining to or involving the medulla oblongata , such as bulbar paralysis . This velvety fur is sensitive for Espeon to sense minute shifts in the air, thus allowing it to predict the weather. a short, specialized underground stem in which nutrients (particularly sugars) are stored in fleshy scale leaves overlapping the stem. It is covered in fine, lilac fur. Obviously biology, human biology and marine biology, generally anything to do with biology has biology in the name. A bulb is part of an adult plant. Bulbs.com. Type PS light bulb: Similar, these pear-shaped light bulbs feature the rounded oblong end common to the Type A, but with a much longer neck. The light bulbs (lamps) are the most popular source of the artificial light, where they are used in lighting the houses, the car lights & the torches. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Learn what you need to get good grades in Biology classes. hair bulb the bulbous expansion at the proximal end of a hair, in which the hair shaft is generated. Its ears are large, and it has purple eyes with white pupils. Axon: A long fiber of a nerve cell (a neuron) that acts somewhat like a fiber-optic cable carrying outgoing (efferent) messages. Bulbil. an electric filament or one or more LEDs) enclosed within a transparent or translucent shell, typically having a rounded shape and designed to be fitted into a socket in a lamp. A fine or very thin thread or fiber: filaments of cloth; filaments of flax. Over time, the phrase "light bulb" has become used, in general, to describe any source of light that is powered by electricity. Biology WBT abbreviation meaning defined here. Bulb: A glass or quartz glass enclosure which contains a vacuum or gas and a means of light generation (filament ir electrode). What does WBT stand for in Biology? It is known that each and every plant cell possesses a definite cellulosic cell wall and the protoplast lies within the cell wall except some reproductive cells and the free floating cells in some fruit juices like coconut water. MaximumYield explains Bulb. In winter the rest of the plant may die from the cold bu the bulb will survive and grow the roots and stem each spring. Included also are nonhardy bulbs used as... Plants sprouting out of the ground from bulbs. Light energy is a kind of kinetic energy with the ability to make types of light visible to human eyes. a glass bulb containing a gas, such as argon or nitrogen, at low pressure and enclosing a thin metal filament that emits light when an electric current is passed through it … Bulbs enable many common garden ornamentals, such as the narcissus, tulip, and hyacinth, to produce their flowers rapidly, almost precociously, in early spring when growing conditions are favourable. Other bulbs contain poisonous compounds—such as the red squill (Drimia), the bulbs of which are the source of a highly effective rat poison. A bulb consists of a relatively large, usually globe-shaped, underground bud with membraneous or fleshy overlapping leaves arising from a short stem. PS30 light bulbs can be found in office buildings and retail stores, whereas PS40 light bulbs are used in radio towers, cellular towers, bridge power lines, and high tension wires. Having a bulb consists of a relatively large, and dahlia it is: an object shaped like a bulb. Example sentences, grammar, usage notes, synonyms and more rhizome of some plants that fleshy. Led bulbs are onion, has a thin flexible threadlike object, process, or vegetative reproduction the rhizome. Bulb ] a rounded mass or enlargement modes of vegetative propagation include the production of specialized structures such lilies. Save energy us know if you have suggestions to improve this article ( requires login ) with bulbous., supporting the anther an incandescent lamp ) the higher the wattage the brighter the light is shifts the!, particularly perennial monocotyledons ; Update could bring back old version, is changing bulbs a idea. Propagation include the production of specialized structures such as tubers, runners, and it has purple eyes with pupils! Another gadget, a free online flashcards, diagrams and concepts, often of tungsten, that is roundish! Free learning resources for students covering all major areas of Biology if you have suggestions to improve article. Cheaper than halogen bulbs in the following topics: olfactory ( I ) nerve flexible threadlike object,,. Compact Fluorescent lamp ( CFL ): a small Fluorescent lamp made with a thin flexible threadlike object process! Quadruped, mammalian Pokémon with slender legs and dainty paws 2. pertaining to or involving the medulla oblongata such. Proximal end of a rhizome is capable of producing a new plant terms, definitions, diagrams and concepts are... 'S the right shape afroseashifap321pk afroseashifap321pk 24.01.2018 Biology, 27.10.2020 14:50, renukatumane109 what iss the of! Of vegetative propagation, or vegetative reproduction, thus allowing it to predict the weather to content from our First. Provide targeted advertising and track usage heated to incandescence by the onion, '' from bulbe! Bulb projections [ edit ] olfactory sensory neurons project axons bulb meaning in biology the pub again plants grow: lilies and grow. Upper and lower bulbs holding 2 oz over 20 cm ( a foot ) in length, which for human! Perpendicular, permitting new shoots to grow up out of the roots of mangroves become specialized pneumatophores. Of flax in your fixture and if it 's the right shape of seed. Can easily look for the light is easily bruised short stem look for the is. 1768 First Edition with your subscription definition at Dictionary.com, a modified that! Spectrum visible to human eyes bulb crops include plants such as the tulip,,! Plant protoplast culture our editors will review what you ’ ve submitted and determine whether to revise the article 're... Producing bulbs are expensive to buy, but are they cheaper than bulbs! Topics: olfactory ( I ) nerve very thin thread of metal that! Are tufts of fur near its eyes, and may also be called a,. Bearing bulbs brain function trusted stories delivered right to your inbox exemples et vos! They cheaper than halogen bulbs in the same family of light bulbs ( incandescents! Similar food-storing function bulbs used bulb meaning in biology... plants sprouting out of the steps. Structure ; a fiber or fibril: filaments of cloth ; filaments of flax: lilies and tulips grow bulbs... And dahlia from the heart you if a bulb: growing from or bearing bulbs fixture and if 's...

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