Bulb
- Bulb
- Bulb Bulb (b[u^]lb), n. [L. bulbus, Gr. bolbo`s: cf. F.
bulbe.]
1. (Bot.) 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.
[1913 Webster]
2. (Anat.) A name given to some parts that resemble in shape
certain bulbous roots; as, the bulb of the aorta.
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{Bulb of the eye}, the eyeball.
{Bulb of a hair}, the ``root,'' or part whence the hair
originates.
{Bulb of the spinal cord}, the medulla oblongata, often
called simply bulb.
{Bulb of a tooth}, the vascular and nervous papilla contained
in the cavity of the tooth.
[1913 Webster]
3. An expansion or protuberance on a stem or tube, as the
bulb of a thermometer, which may be of any form, as
spherical, cylindrical, curved, etc. --Tomlinson.
[1913 Webster]
3. a {light bulb}.
[1913 Webster]
The Collaborative International Dictionary of English.
2000.
:
Look at other dictionaries:
bulb — bulb … Dictionnaire des rimes
bulb — BULB, bulbi, s.m. 1. Tulpină (subterană) a unor plante, alcătuită din frunze în formă de tunici sau solzi suprapuşi (în care se depun substanţe de rezervă), cu un înveliş membranos uscat. 2. (În sintagmele) Bulb pilos = partea terminală, umflată … Dicționar Român
bulb — [bulb] n. [ME < L bulbus < Gr bolbos] 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,… … English World dictionary
bulb — [bʌlb] n ↑filament, ↑thread [Date: 1500 1600; : Latin; Origin: bulbus, from Greek bolbos plant with a bulb ] 1.) the glass part of an electric light, that the light shines from = ↑light bulb ▪ a 100 watt bulb … Dictionary of contemporary English
bulb — (n.) 1560s, an onion, from M.Fr. bulbe, from L. bulbus bulb, onion, from Gk. bolbos plant with round swelling on underground stem. Expanded by 1800 to swelling in a glass tube (thermometer bulb, light bulb, etc.) … Etymology dictionary
bulb — bulb; bulb·less; bulb·let; pseu·do·bulb; … English syllables
Bulb — Bulb, v. i. To take the shape of a bulb; to swell. [1913 Webster] … The Collaborative International Dictionary of English
bulb — [ bʌlb ] noun count * 1. ) the part of a plant that is shaped like an onion from which a flower grows. You plant bulbs in the ground: daffodil bulbs 2. ) a LIGHT BULB … Usage of the words and phrases in modern English
bulb — ► NOUN 1) a rounded underground storage organ present in some plants, consisting of a short stem surrounded by fleshy leaf bases. 2) a light bulb. 3) an expanded or rounded part at the end of something. ORIGIN Greek bolbos onion, bulbous root … English terms dictionary
bulb — Mot Monosíl·lab Nom masculí … Diccionari Català-Català
