Hexad, hek′sad, n. a series of six numbers: (chem.) an element or radical with the combining power of six units—i.e. of six atoms of hydrogen.
Hexadactylous, hek-sa-dak′ti-lus, adj. having six fingers or toes.—n. Hexadac′tylism.
Hexaëmeron, hek-sa-ē′me-ron, n. a period of six days, esp. that of the creation, according to Genesis: a history of the six days of creation. [Late Gr. hexaēmeros—hex, six, hēmera, a day.]
Hexagon, heks′a-gon, n. a figure with six sides and six angles.—adj. Hexag′onal.—adv. Hexag′onally.—v.t. Hex′agonise. [Gr. hexagōnon—hex, six, gōnia, an angle.]
Hexagynia, hek-sa-jin′i-a, n. in the Linnæan system an order of plants having six styles.—adjs. Hexagyn′ian, Hexag′ynous.
Hexahedron, heks-a-hē′dron, n. a cube, a regular solid with six sides or faces, each of these being a square.—adj. Hexahē′dral. [Gr. hex, six, hedra, a base.]
Hexameter, hek-sam′et-ėr, n. a verse of six measures or feet, the first four dactyls or spondees, the fifth a dactyl (sometimes a spondee), the sixth a spondee or trochee.—adj. having six metrical feet.—adjs. Hexamet′ric, -al.—n. Hexam′etrist, a writer of hexameters. [L.,—Gr. hex, six, metron, a measure.]
Hexandria, heks-an′dri-a, n. a Linnæan class of plants having six stamens.—adj. Hexan′drian. [Gr. hex, six, anēr, andros, a man, male.]
Hexangular, hek-sang′gū-lar, adj. having six angles.
Hexapetalous, hek-sa-pet′a-lus, adj. having six petals.