14-letter words containing u, m, i
- without number — of too great a quantity to be counted; innumerable
- xiphihumeralis — a long pectoral muscle found only in felines
- yom kippur war — a war that began on Yom Kippur in 1973 with the attack of Israel by Egypt, Syria, and Iraq: Israel recovered most of its initial losses.
- young marrieds — young married people
- yttrium metals — a series of closely related metals including yttrium, holmium, erbium, thulium, ytterbium, lutetium, and sometimes, terbium, gadolinium, and dysprosium
- yttrocolumbite — Yttrotantalite.
- zeno of citium — c340–c265 b.c, Greek philosopher, born in Cyprus.
- zonal geranium — a widely cultivated plant, Pelargonium hortorum, having white, pink, or red flowers and rounded leaves that are sometimes banded or blotched with contrasting colors.
- zygosporangium — a sporangium that bears a zygospore.