9-letter words containing x, s, t, r
- sex ratio — the proportional distribution of the sexes in a population aggregate, expressed as the number of males per 100 females.
- sextarius — an ancient Roman measurement for volume
- sixteener — a poetic verse of sixteen syllables
- st. croix — Also called Santa Cruz. a U.S. island in the N Lesser Antilles: the largest of the Virgin Islands. 82 sq. mi. (212 sq. km).
- strongbox — a strongly made, lockable box or chest for safeguarding valuable possessions, as money, jewels, or documents.
- subcortex — Anatomy, Zoology. the outer region of an organ or structure, as the outer portion of the kidney. the cerebral cortex.
- submatrix — a set of certain rows and columns of a given matrix.
- testatrix — a woman who makes a will.
- transaxle — a unit combining the transmission and differential of a motor vehicle and connected directly to the axles of the driving wheels.
- victrixes — an ancient Roman epithet variously applied to Venus, Diana, and other goddesses.
- xenocryst — a rock or crystal engulfed by magma and retained as an inclusion in the resulting igneous rock.
- xerostoma — an abnormal lack of saliva, dryness of the mouth