| 单词 | sigmate |
| 释义 | > as lemmasˈsigmate ˈsigmate v. (transitive) to add a sigma or s to (a word, stem, etc.). ΘΚΠ society > communication > writing > manner of writing > [verb (transitive)] > add sigma or s to word sigmate1849 1849 T. K. Arnold First Greek Bk. 5 The root of the future is got from the root of the present (or infinitive) by sigmating it. ˈsigmate ˈsigmate adj. having the form of a sigma. ΘΚΠ the world > space > shape > curvature > series of curves > [adjective] > having double curve sigmoidal1666 swan-necked1746 sigmoid1786 swan-neck1844 sigmate1887 goose-necked1907 1887 Amer. Naturalist 21 937 [Sponges] with sigmate flesh-spicules. < as lemmas |
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