pentactine
/pɛnˈtaktɪn/(also pentactin) Zoology
noun
A sponge spicule having five rays.
Origin
Late 19th century; earliest use found in Encyclopaedia Britannica. From penta- + actine.
| 单词 | pentactine |
| 释义 | pentactine/pɛnˈtaktɪn/(also pentactin) Zoology noun A sponge spicule having five rays. Origin |
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