12-letter words containing c, h, e, m
- x chromosome — a sex chromosome of humans and most mammals that determines femaleness when paired with another X chromosome and that occurs singly in males.
- x-chromosome — a sex chromosome of humans and most mammals that determines femaleness when paired with another X chromosome and that occurs singly in males.
- y chromosome — a sex chromosome of humans and most mammals that is present only in males and is paired with an X chromosome.
- y-chromosome — a sex chromosome of humans and most mammals that is present only in males and is paired with an X chromosome.
- zoochemistry — the branch of chemistry dealing with the constituents of the animal body; animal chemistry.
- zymotechnics — the art of managing the fermentation process