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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 bi·valve /ˈbaɪˌvælv/
 雙殼貝

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 bi·valve /-ˌvælvd/ 形容詞
 兩活瓣的,兩裂牆的

From: Webster's Revised Unabridged Dictionary (1913)

 Bi·valve n.
 1. Zool. A mollusk having a shell consisting of two lateral plates or valves joined together by an elastic ligament at the hinge, which is usually strengthened by prominences called teeth. The shell is closed by the contraction of two transverse muscles attached to the inner surface, as in the clam, -- or by one, as in the oyster. See Mollusca.
 2. Bot. A pericarp in which the seed case opens or splits into two parts or valves.

From: Webster's Revised Unabridged Dictionary (1913)

 Bi·valve a.  Zool. & Bot. Having two shells or valves which open and shut, as the oyster and certain seed vessels.
 

From: WordNet (r) 2.0

 bivalve
      adj : used of mollusks having two shells (as clams etc.) [syn: bivalved]
            [ant: univalve]
      n : marine or freshwater mollusks having a soft body with
          platelike gills enclosed within two shells hinged
          together [syn: pelecypod, lamellibranch]