WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / M / micromillimetre micromillimetre noun 6 syllables 15 letters Scrabble 23 WWF 29 Definitions noun a metric unit of length equal to one billionth of a meter micromillimetermillimicronnanometernanometrenm Look “micromillimetre” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →