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.
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How to use grex in a sentence
Mr. grex sipped his pale, lemon-flavoured tea and toyed with his cigarette-case.
He had the presumption to enquire whether I could procure for him an introduction to the young lady whom he knew as Miss grex.
Something which was almost like the ghost of a smile, devoid of any trace of humour, parted Mr. grex's lips.
It was not until the coffee and liqueurs arrived that they returned to the subject of Miss grex.
Mr. grex was the one man, and there was a little blood dripping from his right hand.
British Dictionary definitions for grex
a group of plants that has arisen from the same hybrid parent group
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012