16-letter words containing m, a, c, h, n, u
- synchronous dram — Synchronous Dynamic Random Access Memory
- the caine mutiny — a novel by Herman Wouk, later made into a film
- the human comedy — French La Comédie Humaine. a collected edition of tales and novels in 17 volumes (1842–48) by Honoré de Balzac.
- thumbnail sketch — small preliminary drawing
- tsushima current — a warm ocean current flowing northward along the west coast of Japan.
- umbilical hernia — a hernia of the umbilicus.
- unaccomplishable — to bring to its goal or conclusion; carry out; perform; finish: to accomplish one's mission.
- uniformed branch — the branch of a police force in which officers wear a uniform
- wheel animalcule — a rotifer.