Part 822

Hex"a*gon (?), n. [L. hexagonum, Gr. &?; six-cornered; "e`x six (akin to E. six) + &?; angle.] (Geom.) A plane figure of six angles.

Regular hexagon, a hexagon in which the angles are all equal, and the sides are also all equal.

Hex*ag"o*nal (?), a. [Cf. F. hexagonal.] Having six sides and six angles; six- sided.

Hexagonal system. (Crystal.) See under Crystallization.

Hex*ag"o*nal*ly, adv. In an hexagonal manner.

Hex*ag"o*ny (?), n. A hexagon. [Obs.] Bramhall.

||Hex`a*gyn"i*a (?), n. pl. [NL., fr. Gr. "e`x six + gynh^ a woman, ||female: cf. F. hexagynie.] (Bot.) A LinnÊan order of plants having ||six pistils.

Hex`a*gyn"i*an (?), Hex*ag"y*nous (&?;), a. [Cf. F. hexagyne.] (Bot.) Having six pistils.

Hex`a*he"dral (?), a. In the form of a hexahedron; having six sides or faces.

Hex`a*he"dron (?), n.; pl. E. Hexahedrons (#), L. Hexahedra (#). [Hexa- + Gr. &?; seat, base, fr. &?; to sit: cf. F. hexaËdre.] (Geom.) A solid body of six sides or faces.

Regular hexahedron, a hexagon having six equal squares for its sides; a cube.

Hex`a*hem"er*on (?), n. [NL., fr. Gr. "e`x six + &?; day; cf. L. hexaÎmeron, Gr. &?;.]

1. A term of six days. Good.

2. The history of the six day's work of creation, as contained in the first chapter of Genesis.

Hex*am"er*ous (?), a. [Hexa- + Gr.&?; part.] (Bot.) In six parts; in sixes.

Hex*am"e*ter (?), n. [L., fr. Gr. &?; of six meters; (sc. &?;) hexameter verse; "e`x six + &?; measure: cf. F. hexamËtre. See Six, and Meter.] (Gr. & Lat. Pros.) A verse of six feet, the first four of which may be either dactyls or spondees, the fifth must regularly be a dactyl, and the sixth always a spondee. In this species of verse are composed the Iliad of Homer and the ∆neid of Virgil. In English hexameters accent takes the place of quantity.

Leaped like the | roe when he | hears in the | woodland the | voice of the | huntsman.

Longfellow.

Strongly it | bears us a- | long on | swelling and | limitless | billows, Nothing be- | fore and | nothing be- | hind but the | sky and the | ocean.

Coleridge.

Hex*am"e*ter, a. Having six metrical feet, especially dactyls and spondees. Holland.

{ Hex`a*met"ric (?), Hex`a*met"ric*al (?), } a. Consisting of six metrical feet.

Hex*am"e*trist (?), n. One who writes in hexameters. "The Christian hexametrists." Milman.

||Hex*an"dri*a (?), n. pl. [NL., fr. Gr. "e`x six + &?;, &?;, a man, ||male: cf. F. hexandrie.] (Bot.) A LinnÊan class of plants having six ||stamens.

{ Hex*an"dri*an (?), Hex-an"drous (?), } a. [Cf. F. hexandre.] (Bot.) Having six stamens.

Hex"ane (?), n. [Gr. "e`x six.] (Chem.) Any one of five hydrocarbons, C6H14, of the paraffin series. They are colorless, volatile liquids, and are so called because the molecule has six carbon atoms.

Hex*an"gu*lar (?), a. [Hex- + angular. Cf. Sexangular.] Having six angles or corners.

Hex`a*pet"al*ous (?), a. [Hexa- + petal: cf. F. hexapÈtale.] (Bot.) Having six petals.