16-letter words containing z, i, n
- woolly manzanita — a tree or shrub, Arctostaphylos tomentosa, of the heath family, common from British Columbia to California, having broad leaves, with the underside covered with white hairs, and white flowers.
- zagros mountains — a mountain range in S Iran: has Iran's main oilfields in its W central foothills. Highest peak: Zard Kuh, 4548 m (14 920 ft)
- zenith telescope — a telescope mounted to point only at the zenith, used at some observatories for measuring time by the stars.
- zenzizenzizenzic — (mathematics, obsolete) The eighth power of a number.
- zero-zero option — (in international nuclear arms negotiations) an offer to remove all intermediate-range nuclear missiles, if the other side will do the same
- zollner illusion — a spatial illusion in which parallel lines intersected by short oblique lines are perceived as converging or diverging.
- zone of interior — the part of a theater of war not included in the theater of operations.
- zone of leaching — A horizon.
- zygosporangium's — a sporangium that bears a zygospore.