| 释义 |
pyrosome Zool.|ˈpaɪərəʊsəʊm|
[ad. mod.L. Pyrosōma (also in Eng. use), f. Gr. πῦρ fire (pyro-) + σῶµα body.]
An animal of the genus Pyrosōma, consisting of highly phosphorescent compound ascidians, the individuals being united into a free-swimming colony in the form of a hollow cylinder closed at one end.
1812tr. Peron's Voy. S. Lands in Pinkerton's Voy. XI. 760 What..of those Pyrosomes shaped like an enormous finger of a glove..which cover the sea with their innumerable hosts? 1834Lancet 20 Sept. 1013/2 Compound tunicata, as the pyrosoma and the botryllus. 1856Woodward Mollusca iii. 344 The Pyrosomes are often gregarious in vast numbers. 1883C. F. Holder in Harper's Mag. Jan. 187/2 The most glorious fire bodies of the sea, the salpa and pyrosoma, the latter a pelagic aggregation of individuals, forming a hollow cylinder, closed at one end, from five inches to five feet in length. |