Online Google Dictionary

bulb 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. 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. a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe"
  4. anything with a round shape resembling a teardrop
  5. 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. a rounded dilation or expansion in a canal or vessel or organ
  7. A bulb is a short stem with fleshy leaves or leaf bases . The leaves often function as food storage organs during dormancy .
  8. 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. ...
  9. (Bulbs (song)) "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.
  10. 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. (Bulbs) Are the starting of the frog which holds the heels together.
  12. (Bulbs) Bulb plants store nutrients underground in large ‘holds.’ All of these produce plants, and the bulbs can be left in the ground; you should leave the leaves as they are, so that any bulbs can be replenished for the next year. Bulb plants will usually produce for up to several years.
  13. (Bulbs) Plants that grow from large roots in which food from the previous season or year is stored. That food later fuels flowering. Plants referred to as bulbs often actually are corms, rhizomes or tubers. Lilies, daffodils and tulips are bulbs. Irises can be rhizomes or bulbs. ...
  14. (Bulbs) Some perennial flowers that emerge in spring, such as daffodils and tulips, grow from a bulb. The bulb is the underground storage organ of the plant. ...
  15. (Bulbs) are harvested after the aerial parts have wilted. Collect garlic bulbs quickly as they tend to sink downward after the leaves have wilted, and are then difficult to find.
  16. (Bulbs) the round part of a plant found underground; usually where fleshy, nutritious leaves surround the central shoot. An onion is an example of a bulb.
  17. A loose way of referring to a lamp. "Bulb" refers to the outer glass bulb containing the light source.
  18. The glass outer envelope component of a lamp.
  19. What everyone calls it except the lighting industry which calls it a ‘Lamp’.
  20. This setting is used for long exposures when you manually control both the opening and closing of the shutter.
  21. 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.
  22. a storage organ, usually underground, composed of stem and leaf bases.
  23. A circuit component used to transform electrical energy into light energy. Heat energy is also formed in this process.
  24. A tuberous underground bud with roots and a scaly stem; many require a period of freezing in order to bloom.
  25. Short underground stem and the fleshy leaves or leaf bases attached to and surrounding it (e.g., an onion). (see stem, corm, caudex, tuber)