| 单词 | bulb |
| 释义 | bulb (once / 1061 pages) n A bulb is the roundish, tear-shaped part of some plants. If you plant a bulb, a flower will pop up. Bulb is also short for light bulb. Don’t try planting that kind, though, because lamps don't grow on trees. Garlic, onions, and shallots are all bulbs, and many flowering plants also grow from underground bulbs, like lilies and daffodils. A different type of bulb is a light bulb, which shares the rounded shape of the plant version. The meaning of bulb in the 16th century was simply "onion," from the Greek bolbos, "plant with round swelling on underground stem." WORD FAMILYbulb: bulbar, bulblet, bulblike, bulbous, bulbs+/bulblet: bulblets/bulbous: bulbously USAGE EXAMPLESIf they got the right answer, a circuit would be completed, lighting up a light bulb. Washington Times(Jan 02, 2017) Guests mingled over drinks by the pool, which was framed by banquette tables lit from above by strings of bulbs. New York Times(Dec 29, 2016) "It all happened organically - it was bit of a light bulb moment," he said. BBC(Dec 29, 2016) 1n anything with a round shape resembling a teardrop Hyper round shape a shape that is curved and without sharp angles 2n a rounded part of a cylindrical instrument (usually at one end) the bulb of a syringe Hyper part, portion something less than the whole of a human artifact 3n electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity Syn|Hyper electric light, electric-light bulb, incandescent lamp, light bulb, lightbulb electric lamp a lamp powered by electricity 4n a modified bud consisting of a thickened globular underground stem serving as a reproductive structure Hypo|Hyper onion the bulb of an onion plant shallotaggregate bulb of the multiplier onion squillbulb of the sea squill, which is sliced, dried, and used as an expectorant bulbil, bulbletsmall bulb or bulb-shaped growth arising from the leaf axil or in the place of flowers stalk, stem a slender or elongated structure that supports a plant or fungus or a plant part or plant organ 5n a rounded dilation or expansion in a canal or vessel or organ Hyper anatomical structure, bodily structure, body structure, complex body part, structure a particular complex anatomical part of a living thing 6n lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata) Syn|Hyper medulla, medulla oblongata neural structure a structure that is part of the nervous system |
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