| CYCLOPENTANES | • cyclopentanes n. Plural of cyclopentane. • CYCLOPENTANE n. a colourless insoluble cycloalkane found in petroleum and used mainly as a solvent. |
| PENTABARBITAL | • PENTABARBITAL n. a barbiturate drug with hypnotic, sedative, and anticonvulsant effects, also PENTOBARBITAL. |
| PENTACRINOIDS | • pentacrinoids n. Plural of pentacrinoid. • PENTACRINOID n. a young form of some crinoids that resembles Pentacrinus. |
| PENTADACTYLES | • PENTADACTYLE n. a pentadactyle animal, also PENTADACTYL. |
| PENTADACTYLIC | • pentadactylic adj. Pentadactylous. • PENTADACTYLIC adj. having five digits, also PENTADACTYL, PENTADACTYLE, PENTADACTYLOUS. |
| PENTADELPHOUS | • pentadelphous adj. (Botany) Of a flower or plant: having its stamens fused together at least partly by the filaments so… • PENTADELPHOUS adj. having five bundles of stamens; united in five bundles. |
| PENTAHYDRATES | • pentahydrates n. Plural of pentahydrate. • PENTAHYDRATE n. a hydrated compound containing five moles of water per mole of the compound; a hydrated species containing five water molecules. |
| PENTAPEPTIDES | • pentapeptides n. Plural of pentapeptide. • PENTAPEPTIDE n. a polypeptide that contains five amino acid residues. |
| PENTAPLOIDIES | • PENTAPLOIDY n. the state of being pentaploid. |
| PENTASTICHOUS | • pentastichous adj. (Botany) Having, or arranged in, five vertical ranks. • PENTASTICHOUS adj. arranged in five rows. |
| PENTASYLLABIC | • pentasyllabic adj. Having five syllables. • PENTASYLLABIC adj. having five syllables. |
| PENTAVALENCES | • PENTAVALENCE n. the condition of having a valency of five, also PENTAVALENCY. |
| UNREPENTANCES | • UNREPENTANCE n. lack of repentance. |
| UNREPENTANTLY | • unrepentantly adv. In an unrepentant way. • UNREPENTANT adv. not repentant. |