| 单词 | pentactinal |
| 释义 | > as lemmaspenˈtactinal penˈtactinal adj. having five rays. ΚΠ 1890 Cent. Dict. 4378/3 Pentactinal, having five rays. 1968 P. Brien in M. Florkin & B. T. Scheer Chem. Zool. II. i. i. 19 The triaxon spicule may become pentactinal, tetractinal, or even diactinal. 1996 Nature 3 Oct. 398/1 We used pentactinal spicules from Rossella racovitzae..to test for optical-fibre properties. < as lemmas |
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