| 释义 |
monactinal, a.|mɒˈnæktɪnəl|
[Formed as next + -al1.]
Of a sponge-spicule: That has only one ray.
1887S. O. Ridley in Rep. Voy. Challenger XX. Introd. 6 The chief spicules of the group are ‘monactinal’, that is to say, consisting of only a single ray. |