| CLERIHEW | • clerihew n. A humorous rhyme of four lines with the rhyming scheme AABB, usually regarding a person mentioned in the first line. • Clerihew n. Alternative letter-case form of clerihew. • CLERIHEW n. a light verse quatrain rhyming AABB and usually dealing with a person named in the initial rhyme. |
| TRIHEDRA | • trihedra n. Plural of trihedron. • TRIHEDRON n. a solid figure with three plane surfaces meeting at a point. |
| CLERIHEWS | • clerihews n. Plural of clerihew. • Clerihews n. Plural of Clerihew. (Alternative letter-case form of clerihews.) • CLERIHEW n. a light verse quatrain rhyming AABB and usually dealing with a person named in the initial rhyme. |
| DRERIHEAD | • DRERIHEAD n. (Spenser) dreariness, also DREARIHEAD, DREARIHOOD. |
| PERIHELIA | • perihelia n. Plural of perihelion. • perihelia n. Plural of perihelium. • PERIHELION n. the point of the orbit of a planet or a comet at which it is nearest to the sun, as opposed to aphelion. |
| TRIHEDRAL | • trihedral adj. (Geometry) Having three plane faces that meet at a common point. • TRIHEDRAL n. a solid having three sides or faces; thus, a trihedral angle is a solid angle bounded by three plane angles. |
| TRIHEDRON | • trihedron n. (Mathematics) A geometric figure composed of three planes meeting at a single vertex. • TRIHEDRON n. a solid figure with three plane surfaces meeting at a point. |
| DREARIHEAD | • drearihead n. (Obsolete) sadness; dreariness. • DREARIHEAD n. (Spenser) affliction; dreariness, also DREARIHOOD, DRERIHEAD. |
| DRERIHEADS | • DRERIHEAD n. (Spenser) dreariness, also DREARIHEAD, DREARIHOOD. |
| PERIHELIAL | • perihelial adj. (Rare) Relating to the perihelion. • PERIHELIAL adj. relating to the perihelion. |
| PERIHELION | • perihelion n. (Astronomy) The point in the elliptical orbit of a comet, planet, etc., where it is nearest to the Sun. • perihelion n. (Figurative) The highest point or state; the peak, zenith. • PERIHELION n. the point of the orbit of a planet or a comet at which it is nearest to the sun, as opposed to aphelion. |
| TRIHEDRALS | • TRIHEDRAL n. a solid having three sides or faces; thus, a trihedral angle is a solid angle bounded by three plane angles. |
| TRIHEDRONS | • trihedrons n. Plural of trihedron. • TRIHEDRON n. a solid figure with three plane surfaces meeting at a point. |
| DREARIHEADS | • DREARIHEAD n. (Spenser) affliction; dreariness, also DREARIHOOD, DRERIHEAD. |
| PERIHEPATIC | • perihepatic adj. (Anatomy) Surrounding the liver. • PERIHEPATIC adj. surrounding the liver. |
| PERIHEPATITIS | • perihepatitis n. (Medicine, pathology) Inflammation of the serous or peritoneal coating of the liver. • PERIHEPATITIS n. inflammation of the peritoneum covering the liver. |
| PERIHEPATITISES | • PERIHEPATITIS n. inflammation of the peritoneum covering the liver. |