| CHLOROPHYTUM | • CHLOROPHYTUM n. any plant of the genus Chlorophytum, grown as pot plants for their long narrow leaves. |
| HYPERMUTABLE | • hypermutable adj. (Genetics) That mutates rapidly. • HYPERMUTABLE adj. excessively mutable. |
| HYPERTEXTUAL | • hypertextual adj. Of or relating to hypertext. |
| HYPOCOTYLOUS | • HYPOCOTYLOUS adj. of or like a hypocotyl, the stem of a plant below the cotyledons. |
| HYPOSULPHATE | • hyposulphate n. (Inorganic chemistry) Alternative form of hyposulfate. • HYPOSULPHATE n. a dithionate. |
| HYPOSULPHITE | • hyposulphite n. Alternative spelling of hyposulfite. • HYPOSULPHITE n. a salt of hyposulphurous acid. |
| HYPOTHALAMUS | • hypothalamus n. (Anatomy) A region of the forebrain located below the thalamus, forming the basal portion of the diencephalon… • HYPOTHALAMUS n. a part of the brain. |
| LYMPHOMATOUS | • lymphomatous adj. Relating to lymphoma. • LYMPHOMATOUS adj. of or like a lymphoma. |
| POLYANTHUSES | • polyanthuses n. Plural of polyanthus. • POLYANTHUS n. the oxlip, so called because the peduncle bears a many-flowered umbel. |
| POLYCHAETOUS | • polychaetous adj. Relating to polychaetes. • POLYCHAETOUS adj. of or like a polychaete, a type of aquatic worm, also POLYCHETOUS. |
| POLYSTICHOUS | • polystichous adj. (Botany) arranged in several rows or series. • POLYSTICHOUS adj. arranged in many rows. |
| POLYURETHANE | • polyurethane n. (Organic chemistry) Any of various polymeric resins containing urethane links; used in very many industrial… • POLYURETHANE n. any of various polymers used esp. in flexible and rigid foams, elastomers, and resins, also POLYURETHAN. |
| POLYURETHANS | • POLYURETHAN n. any of various polymers used esp. in flexible and rigid foams, elastomers, and resins, also POLYURETHANE. |
| POSTHUMOUSLY | • posthumously adv. After death. • post-humously adv. Alternative spelling of posthumously. • POSTHUMOUS adv. taking place after death. |
| PYROSULPHATE | • pyrosulphate n. (Inorganic chemistry, Britain) Alternative spelling of pyrosulfate. • PYROSULPHATE n. a salt of sulphur. |
| SPRIGHTFULLY | • sprightfully adv. In a sprightful manner. • SPRIGHTFUL adv. (obsolete) full of spirit or of life. |
| TRIUMPHANTLY | • triumphantly adv. In a triumphant manner. • TRIUMPHANT adv. victorious, conquering. |