verticillation (vert is i lash on)
The Century Dictionary and Cyclopedia · 1897 · p. 100
[ In the Diadem a tidæ the spines are hollow, long, and set with rings or verticillations . Stand. Nat . Hist ., I. 167. vert i cill us (ver-ti-sil'us), n.; pl. verticilli (-1). [NL.: see verticil.] A verticil.
Readham'da tam maddeyi gor →