trichodal, a. Zool.
(trɪˈkəʊdəl)
[f. Gr. τριχώδης hair-like (f. θρίξ, τριχ- hair: see -ode1) + -al1.]
Extremely thin: applied to a sponge-spicule.
| 1888 Sollas in Challenger Rep. XXV. p. lviii, Both the rhabdus and the style may..be..immeasurably thin (trichodal, τριχώδης, hair-like). |