noun Etymology: Middle English, from Latin bulbus, from Greek bolbos bulbous plant Date: 15th century 1. a. a resting stage of a plant (as the lily, onion, hyacinth, or tulip) that is usually formed underground and consists of a short stem base bearing one or more buds enclosed in overlapping membranous or fleshy leaves b. a fleshy structure (as a tuber or corm) resembling a bulb in appearance c. a plant having or developing from a bulb 2. a bulb-shaped part; specifically a glass envelope enclosing the light source of an electric lamp or such an envelope together with the light source it encloses 3. a rounded or swollen anatomical structure 4. a camera setting that indicates that the shutter can be opened by pressing on the release and closed by ending the pressurebulbed adjective

New Collegiate Dictionary. 2001.

(like those of the onion and the tulip) /

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 — (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 …   The Collaborative International Dictionary of English

  • 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

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