- pertaining to or of the nature of a filament.
Origin of filamentary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for filamentary
The effect is just as if the equatorial belt were superposed upon, or passed through, the filamentary structure.A Popular History of Astronomy During the Nineteenth Century
Agnes M. (Agnes Mary) Clerke
In all states, the filamentary appendages offer a good character.
Maxill, deeply notched: caudal appendages, multi-articulated: filamentary appendages, none.
Maxill, with the edge square and straight: caudal appendages uniarticulate: filamentary appendages, none.
Maxill with two tufts of fine bristles, separated by larger spines: caudal appendages uniarticulate: filamentary appendages none.