12-letter words that end in id
- vanadic acid — any of certain acids containing vanadium, especially one having the formula H 3 VO 4 .
- wattenscheid — an industrial town in NW Germany, in North Rhine-Westphalia east of Essen
- woolly aphid — any plant louse of the family Aphididae, characterized by a waxy secretion that appears like a jumbled mass of fine, curly, white cottony or woolly threads, as Eriosoma lanigerum (woolly apple aphid or American blight) and Prociphilus tessellatus (woolly alder aphid)
- xanthic acid — an unstable organic acid, C 3 H 6 S 2 O, the methyl and ethyl esters of which are colorless, oily liquids with a penetrating odor.
- xanthochroid — of, relating to, or designating races having light-coloured hair and a pale complexion