Hexad

heks'ad, n. (Chem.) An atom whose equiv- alence is or which can be combined with, substi tuted for, or replaced by, 6 atoms of hydrogen. [Gr. hex as, hexados, the number hex, six, q. v.] — Hex'achord, -kord, n. (Mus.) An interval of 4 tones and semitone a scale of notes an instrument with 6 strings. [Gr. hex and chorde, chord.] — Hex'- agon, n. (Geom.) A plane figure of sides and 6 angles. [Gr. gonia, angle.] — Hexag'onal, a. Having, etc. — Hex'ahe'dron, n. A regular solid body — of 6 equal faces a cube. [Gr. hedra, seat, base.] Hex'ahe'dral, a. Of the figure of, etc. — Hexam'- eter, n. (Gr. & Lat. Pros.) A verse of feet, either dactyls or spondees, — a. Having, etc. [Gr. me tron, measure.] — Hex'amet'ric, -rical, a. Consisting of, etc. — Hexan'gular, -ar/gu-ler, a. Having 6 angles or corners. — Hex'apla, -a-pla, n. A collection of the Holv Scriptures in 6 languages or versions. [Gr., fr.'hexaploos, -pious, six fold.] — Hex'aplar, a. Sextuple; containing 6 columns.