WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / F / formaldehyde formaldehyde noun /fɔrmældəhaɪd/ 4 syllables 12 letters Scrabble 25 WWF 25 Definitions noun a colorless poisonous gas; made by the oxidation of methanol methanal Look “formaldehyde” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →