13-letter words containing t, z, a, r, i, s
- zarathustrian — Zoroaster.
- zebra stripes — a pattern of alternate black and white stripes
- zinc stearate — a white, fine, soft, water-insoluble powder, Zn(C 18 H 35 O 2) 2 , used in the manufacture of cosmetics, ointments, and lacquers, as a drying agent for rubber, and as a waterproofing agent for textiles, paper, etc.
- zinjanthropus — the genus to which Australopithecus boisei was formerly assigned.