- 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.
- a plant growing from such a bud.
- the glass housing, in which a partial vacuum has been established, that contains the filament of an incandescent electric lamp.
- an incandescent or fluorescent electric lamp.
Origin of bulb
Related Words for bulbcorn, knob, head, ball, swelling, globe, tumor, protuberance, nub, tuber, bunch, nodule, corm
Examples from the Web for bulb
Contemporary Examples of bulb
So, at the Home Depot in Connecticut, a 40-watt bulb costs $4.97, and a 60-watt bulb costs $6.97.
In 25,000 hours a regular 75-watt bulb would use $262.50 of electricity.
The 40-watt bulb costs $9.97 and the 60-watt bulb retails for $12.97.
Specifically, the law said a bulb should provide 100 watts of brightness while using 72 watts or less.The Best Green Idea in Obama’s Climate-Change Speech
June 25, 2013
By May, its bulb can grow as big as two centimeters, and turns pink and then a deep red as it matures.The Wonderful World of Ramps
April 26, 2011
Historical Examples of bulb
I shall tell you the day when you are to put the bulb in the ground.
Do you mean to say that the bulb has now been in the ground for six days?
Amaryllis Formosissima was in bloom in one week after I planted the bulb.The Mayflower, January, 1905
And yet the bulb has not only an honourable character—it has a sort of sacred history.Storyology
The stem is white, squamulose, bulb rugulose, ring superior and entire.The Mushroom, Edible and Otherwise
M. E. Hard
Word Origin for bulb
1560s, "an onion," from Middle French bulbe (15c.), from Latin bulbus "bulb, bulbous root, onion," from Greek bolbos "plant with round swelling on underground stem." Expanded by 1800 to "swelling in a glass tube" (thermometer bulb, light bulb, etc.).