bulb
[ buhlb ]
/ bʌlb /
noun
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Origin of bulb
1560–70; <Latin bulbus<Greek bolbós onion, bulbous plant
OTHER WORDS FROM bulb
bulbed, adjectivebulbless, adjectiveWords nearby bulb
Bukharin, bukkake, Bukovina, Bul, Bulawayo, bulb, bulbar, bulbar myelitis, bulbar paralysis, bulb fly, bulbiferous
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for bulb
British Dictionary definitions for bulb
bulb
/ (bʌlb) /
noun
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 leavesCompare corm
a plant, such as a hyacinth or daffodil, that grows from a bulb
See light bulb
a rounded part of an instrument such as a syringe or thermometer
anatomy a rounded expansion of a cylindrical organ or part, such as the medulla oblongata
Also called: bulbous bow a bulbous protuberance at the forefoot of a ship to reduce turbulence
Word Origin for bulb
C16: from Latin bulbus, from Greek bolbos onion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for bulb
bulb
[ bŭlb ]
n.
A globular or fusiform anatomical structure or enlargement.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for bulb
bulb
[ bŭlb ]
A rounded underground storage organ that contains the shoot of a new plant. A bulb consists of a short stem surrounded by fleshy scales (modified leaves) that store nourishment for the new plant. Tulips, lilies, and onions grow from bulbs. Compare corm rhizome runner tuber.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.