Home › Words › M › micromillimetremicromillimetre/ˈmaɪ.krəʊˌmɪ.lɪ.miː.tə/micromillimetre means synonym of nanometre.micromillimetre is pronounced /ˈmaɪ.krəʊˌmɪ.lɪ.miː.tə/.EtymologyFrom micro- + millimetre.nounSynonym of nanometre.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.micromillimeter 80% match — American standard spelling of micromillimetre. vs micromillimetre →amicroscopic 66% match — Synonym of submicroscopic. vs micromillimetre →nanometric 65% match — Of, or relating to, a nanometer. vs micromillimetre →submillimetric 65% match — submillimetre vs micromillimetre →micromeric 64% match — Relating to micromerism. vs micromillimetre →submillimetrical 64% match — submillimetric vs micromillimetre →nanometre 64% match — An SI subunit of length equal to 10⁻⁹ metres. vs micromillimetre →centimicron 64% match — A unit of length equal to one-hundredth of a micron. vs micromillimetre →