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Definition of Bulb in English :

Define Bulb in English

Bulb meaning in English

Meaning of Bulb in English

Pronunciation of Bulb in English

Bulb pronunciation in English

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Bulb

see synonyms of bulb

Noun

1. bulb

a modified bud consisting of a thickened globular underground stem serving as a reproductive structure

2. bulb, electric light, electric-light bulb, incandescent lamp, light bulb, lightbulb

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

3. bulb

a rounded part of a cylindrical instrument (usually at one end)

Example Sentences:
'the bulb of a syringe'

4. bulb

anything with a round shape resembling a teardrop

5. bulb, medulla, medulla oblongata

lower or hindmost part of the brain; continuous with spinal cord; (bulb' is an old term for medulla oblongata)

Example Sentences:
'the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning'

6. bulb

a rounded dilation or expansion in a canal or vessel or organ

WordNet Lexical Database for English. Princeton University. 2010.

Bulb

see synonyms of bulb
noun
1. 
a rounded organ of vegetative reproduction in plants such as the tulip and onion: a flattened stem bearing a central shoot surrounded by fleshy nutritive inner leaves and thin brown outer leaves
Compare corm
2. 
a plant, such as a hyacinth or daffodil, that grows from a bulb
3.  light bulb
4. 
a rounded part of an instrument such as a syringe or thermometer
5. anatomy
a rounded expansion of a cylindrical organ or part, such as the medulla oblongata
6. Also called: bulbous bow
a bulbous protuberance at the forefoot of a ship to reduce turbulence

Collins English Dictionary. Copyright © HarperCollins Publishers

Bulb

see synonyms of bulb
noun
1. 
an underground bud that sends down roots and consists of a very short stem covered with leafy scales or layers, as in a lily, onion or hyacinth
2. 
a corm, tuber, or tuberous root resembling a bulb, as in a crocus, dahlia or cyclamen
3. 
any plant that grows from a bulb
4. 
anything shaped like a bulb; rounded thing or enlarged part
an electric light bulb, the bulb of a syringe
5.  Anatomy
a. 
an enlargement on some tissues, organs, or tubes, as at the root of a hair
b.  Obsolete
medulla oblongata

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Bulb

see synonyms of bulb
n.
1. Botany
a. A short, modified, underground stem surrounded by usually fleshy modified leaves that contain stored food for the shoot within: an onion bulb; a tulip bulb.
b. A similar underground stem or root, such as a corm, rhizome, or tuber.
c. A plant that grows from a bulb.
2. A rounded projection or part: the bulb of a syringe.
3. A light bulb.
4. Anatomy A rounded dilation or expansion of a canal, vessel, or organ.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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