| 单词 |
orthotriæne |
| 释义 |
orthotriæne|ˈɔːθəʊtraɪˌiːn| [f. ortho- ‘right’ + Gr. τρίαινα trident.] A triæne or tridentate sponge spicule, whose three prongs or cladi project at right angles from the shaft; a simple spicule of the rhabdus type, with three secondary rays at one end, at right angles with the shaft.
1887Sollas in Encycl. Brit. XXII. 417/1 The arms make different angles with the shaft;..when extended at right angles an orthotriæne. |
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