I. ˈ ̷ ̷ ̷ ̷ˌkrōm noun
Etymology: International Scientific Vocabulary meta- + -chrome (n. suffix); originally formed as French métachrome
: a metachromatic granule
II. adjective
Usage: often capitalized
Etymology: International Scientific Vocabulary meta- + -chrome (adjective suffix)
1. : being any of a series of mordant azo dyes — see dye table I (under Mordant )
2. : relating to a one-bath method of dyeing by applying a chromium mordant and a dye simultaneously
III. transitive verb
: to dye by the metachrome method