ALDEHYDES /ˈæl.dɨ.haɪdz/ Scrabble 17 Words With Friends 16 Definition ALDEHYDES is the plural of ALDEHYDE. noun ALDEHYDE: any of a class of highly reactive chemical compounds. See all 216 words you can make from ALDEHYDES → 9-letter words Words starting with A Words ending with S ← Unscramble different letters