HEPTANDRIAN; HEPTANDROUS
Hep*tan"dri*an, Hep*tan"drous, a. Etym: [Cf. F. heptandre.] (Bot.)

Defn: Having seven stamens.

HEPTANE
Hep"tane, n. Etym: [Gr. "epta` seven.] (Chem.)

Defn: Any one of several isometric hydrocarbons, C7H16, of the paraffin series (nine are possible, four are known); — so called because the molecule has seven carbon atoms. Specifically, a colorless liquid, found as a constituent of petroleum, in the tar oil of cannel coal, etc.

HEPTANGULAR
Hep*tan"gu*lar, a. Etym: [Hepta- + angular: cf. F. heptangulaire. Cf.
Septangular.]

Defn: Having seven angles.

HEPTAPHYLLOUS
Hep*taph"yl*lous, a. Etym: [Hepta- + Gr. heptaphylle.] (Bot.)

Defn: Having seven leaves.

HEPTARCH
Hep"tarch, n.

Defn: Same as Heptarchist.