Lexic.us

Definition of Bulb

1. Noun. A modified bud consisting of a thickened globular underground stem serving as a reproductive structure.

2. Noun. Electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity.

3. Noun. A rounded part of a cylindrical instrument (usually at one end). "The bulb of a syringe"

4. Noun. Anything with a round shape resembling a teardrop.

5. Noun. 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"

6. Noun. A rounded dilation or expansion in a canal or vessel or organ.

Definition of Bulb

1. n. A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and producing, as it grows, a stem above, and roots below, as in the onion, tulip, etc. It differs from a corm in not being solid.

2. v. i. To take the shape of a bulb; to swell.

Definition of Bulb

1. an underground bud [n -S] : BULBAR, BULBED [adj]

Medical Definition of Bulb

1. A modified underground stem which has one or more buds enclosed in fleshy modified leaves or scales which supply energy to the bud when they start to grow, onions and tulips have bulbs. (09 Oct 1997)

Lexicographical Neighbors of Bulb

buist buisted buisting buists Bujumbura buke bukes Bukharin bukshee bukshees

bukshi bukshis bulau Bulawayo bulb (current term) bulb (current term) bulbaceous bulbar bulbar bulbar apoplexy

bulbar conjunctiva bulbar conjunctiva bulbar myelitis bulbar palsy bulbar paralysis bulbar pulse bulbar ridge bulbar septum bulbed bulbel

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