- a numerical system for measuring the size of fibers, filaments, or yarns, based on the weight in grams of 10,000 meters of the fibrous material.
Origin of grex
from the expression gram per x (ten)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for grex
Mr. Grex was seated there, only a few feet away, smoking a cigarette.
"It is not a matter which admits of discussion," Mr. Grex pronounced.
"I am not thinking of engaging anybody, that I know of," Mr. Grex murmured.
Seeking about for the safest meeting-place, Grex has given us a chance.
Mr. Grex touched Selingman on the arm and whispered in his ear.
- a group of plants that has arisen from the same hybrid parent group
C20: from Latin grex flock