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单词 siphonal
释义 siphonal, a. Chiefly Zool.|ˈsaɪfənəl|
Also sy-.
[f. siphon n. + -al1.]
Having the form or character of a siphon; of or pertaining to a siphon.
(a)1826Phil. Trans. 353 The syphonal, or posterior extremity of the valves [of Pholas candida].1851Woodward Mollusca i. 85 The siphonal lappets of Paludina.1880Günther Introd. Study Fishes 130 The siphonal [stomach of Teleosteans]..presents the form of a bent tube or canal.
(b)1853Phillips Rivers Yorks. iii. 112 Variable pressure on the water, derived from a curved or siphonal passage underground.
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