Contents -AUTHOR INDEX -BIBLIOGRAPHIC RECORD

Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class I. Words Expressing Abstract Relations
Section V. Number
2. Determinate Number

95. Quaternity.

   NOUN:QUATERNITY [rare], four, tetrad, quartet or quartette, quatre [rare], quadruplet, quaternion, square, quadrilateral, quadrinomial, biquadrate, quarter, quarto, tetract, tetragon.
  quadrangle, quadrature, quadruplet; quatrefoil; tetragram, tetragrammaton; tetrahedron, tetraody, tetrology, quatrefoil or quadrefoil.
   VERB:SQUARE, biquadrate, reduce to a square.
   ADJECTIVE:FOUR; quaternary, quaternal; quadratic; quartile, quartic, quadrifid, quadriform, quadric, biquadratic; tetract, tetractine, tetractinal [zoöl.], four-rayed; tetrad, quadrivalent; quadrangular, tetragonal, quadrilateral, tetrahedral.