| 单词 |
triod |
| 释义 |
triod Zool.|ˈtraɪɒd| [ad. Gr. τρίοδος a place where three ways meet, f. τρι- tri- + ὁδός way.] Name for a simple triradiate sponge-spicule, consisting of three rays inclined at angles of 120°.
1887Sollas in Encycl. Brit. XXII. 416/2 Fig. 12..c, triod (triaxon triactine). |

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