| 单词 | triactinal |
| 释义 | triactinal in British English (traɪˈæktɪnəl, ˌtraɪækˈtaɪnəl) adjective another word for triact (sense 2) triact in British English (ˈtraɪækt) noun 1. a sponge spicule with three rays adjective also: triactinal 2. (of sponge spicules) having three rays |
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