What is the definition of a light bulb?
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 itSometimes shortened to: bulb.
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What is a bulb in electricity?
n electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity. Synonyms: bulb, electric light, incandescent lamp, light bulb, lightbulb Type of: electric lamp. a lamp powered by electricity.
Is Onion a fruit?
Vegetables are usually grouped according to the portion of the plant that is eaten such as leaves (lettuce), stem (celery), roots (carrot), tubers (potato), bulbs (onion) and flowers (broccoli). A fruit is the mature ovary of a plant. So a tomato is botanically a fruit but is commonly considered a vegetable.
Is garlic a bulb?
Garlic is a member of the allium family. It is an ancient bulbous vegetable. … Garlic grows from individual cloves broken off from a whole bulb. Each clove will multiply in the ground, forming a new bulb that consists of 5-10 cloves.
What vegetable is a bulb?
The best known bulb vegetables are onion, chive, spring onion and garlic. These bulb vegetables are said to be medicinal, especially onion and garlic.
Which plant stem do we eat?
Humans most commonly eat the seeds (e.g. maize, wheat), fruit (e.g. tomato, avocado, banana), flowers (e.g. broccoli), leaves (e.g. lettuce, spinach, and cabbage), roots (e.g. carrots, beets), and stems (e.g. asparagus, ginger) of many plants.
What is the meaning of bulb?
1a : 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. b : a fleshy structure (such as a tuber or corm) resembling a bulb in appearance.
Is Onion a bulb?
The onion plant has a fan of hollow, bluish-green leaves and its bulb at the base of the plant begins to swell when a certain day-length is reached. The bulbs are composed of shortened, compressed, underground stems surrounded by fleshy modified scale (leaves) that envelop a central bud at the tip of the stem.
Is a potato a bulb?
The root vegetable most of us are familiar with is tubers. They are another modified stem, but instead of bulbs, they come out as a starchy growth for both storing food and reproduction. They include yams, sweet potatoes, Jerusalem artichokes, groundnuts and one of my favorite comfort foods, potatoes.
Why onion is called bulb?
Onion is called a bulb. It has a hard disc like stem. On the top are leaves which are fleshy. It has a terminal bud in the centre which is capable of growing into a new plant.
What is bulb give example?
Other examples of true bulbs include garlic, amaryllis, tulips, daffodils and lilies. The most well-known tuber is the potato. Tubers can be easily recognized by the eyes from which the stems grow.