Online Google Dictionary

bulbs 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/bəlb/,
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bulbs, plural;
  1. A rounded underground storage organ present in some plants, notably those of the lily family, consisting of a short stem surrounded by fleshy scale leaves or leaf bases and resting over winter

  2. A plant grown from an organ of this kind

  3. A similar underground organ such as a corm or a rhizome

  4. An object with a rounded or teardrop shape like a bulb, in particular

  5. A light bulb

  6. An expanded part of a glass tube such as that forming the reservoir of a thermometer

  7. A hollow flexible container with an opening through which the air can be expelled by squeezing, such as that used to fill a syringe

  8. A spheroidal dilated part at the end of an anatomical structure


  1. (bulb) a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
  2. light bulb: electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
  3. (bulb) a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe"
  4. (bulb) anything with a round shape resembling a teardrop
  5. (bulb) medulla oblongata: lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata); "the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning"
  6. (bulb) a rounded dilation or expansion in a canal or vessel or organ
  7. "Bulbs" is a song written by Northern Irish singer-songwriter Van Morrison and included on his 1974 album, Veedon Fleece. It was chosen as the 'A' side single from the album.
  8. A bulb is a short stem with fleshy leaves or leaf bases . The leaves often function as food storage organs during dormancy .
  9. (Bulb (photography)) Bulb, abbreviated B, is a shutter speed setting on an adjustable camera that allows for long exposure times under the direct control of the photographer. With this setting, the shutter simply stays open as long as the shutter release button remains depressed. ...
  10. (bulb) Any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end; A light bulb; The bulb-shaped root portion of a plant such as a tulip, from which the rest of the plant may be regrown
  11. (Bulb) A loose way of referring to a lamp. “Bulb” refers to the outer glass bulb containing the light source.
  12. (Bulb) Potential flower buried in fall, never to be seen again.
  13. (Bulb) a thick, rounded, underground organ consisting of layered, fleshy leaves and membranes
  14. (Bulb) the root of a hair, so named because it's wider at the base.
  15. A bulb is a light bulb, a flashlight bulb, a MR16 or E27 light bulb. A LED light bulb is a finished product that has the LEDs installed, electrical components installed and is ready to be used by the consumer. ...
  16. (bulb) n. a specialized underground bud that sends down roots and consists of a very short stem covered with leafy scales or layers which store water and nutrients. Not a corm, rhizome or tuber. See illustration.
  17. (bulb) An underground vertical shoot that has modified leaves (or thickened leaf bases) that are used as food storage organs by a dormant plant.
  18. (bulb) The glass outer envelope component of a lamp.
  19. (bulb) a storage organ, usually underground, composed of stem and leaf bases.
  20. (Bulb) A short, modified, underground stem surrounded by usually fleshy modified leaves that contain stored food for the shoot within: an onion bulb; a tulip bulb.
  21. (Bulb) Shutter speed setting where the shutter stays open as long as the shutter release is depressed. Usually indicated by a B on the shutter speed selector.
  22. (bulb) an underground storage organ with short stem surmounted by a mass of fleshy scales.
  23. (Bulb) The everyday term for an incandescent lamp. Also refers to the outer glass envelope of the lamp.
  24. (BULB) A storage organ, usually formed below ground level, used for propagation. A true bulb consists of fleshy scales surrounding the central bud, but the term is often loosely applied to corms, rhizomes and tubers.
  25. (Bulb) In general any structure underground from which a plant can grow. A true bulb is an underground structure that contains an embryonic plant protected by scales. An example of a true bulb is an iris.