12-letter words containing m, y, o
- y-chromosome — a sex chromosome of humans and most mammals that is present only in males and is paired with an X chromosome.
- yamoussoukro — a republic in W Africa: formerly part of French West Africa; gained independence 1960. 127,520 sq. mi. (330,275 sq. km). Capital: Abidjan.
- yellow metal — a type of brass having about 60 per cent copper and 40 per cent zinc
- yellowhammer — a common European bunting, Emberiza citrinella, the male of which is marked with bright yellow.
- yogurt-maker — a machine for making yogurt
- your-majesty — regal, lofty, or stately dignity; imposing character; grandeur: majesty of bearing; the majesty of Chartres.
- yukawa meson — a hypothetical elementary particle with finite rest mass, whose exchange between nucleons would account for the strong short-range forces between nucleons: subsequently identified as the pion.
- zoochemistry — the branch of chemistry dealing with the constituents of the animal body; animal chemistry.
- zymotechnics — the art of managing the fermentation process