| IMPERATORSHIP | • IMPERATORSHIP n. the office of imperator. |
| IMPROPRIATORS | • impropriators n. Plural of impropriator. • IMPROPRIATOR n. a layman who is in possession of a benefice or its revenues. |
| IMPROPRIETIES | • improprieties n. Plural of impropriety. • IMPROPRIETY n. an improper or indecorous act or remark. |
| MISPROPORTION | • misproportion v. (Transitive) To give the wrong proportions to. • MISPROPORTION v. to proportion wrongly. |
| MORPHOTROPIES | • MORPHOTROPY n. the effect on crystalline form of the addition or substitution of an element or radical. |
| PARAMORPHINES | • PARAMORPHINE n. a poisonous white crystalline alkaloid, extracted from opium and used in medicine, aka thebaine. |
| PARAMORPHISMS | • paramorphisms n. Plural of paramorphism. • PARAMORPHISM n. the state of being a paramorph. |
| PERIMORPHISMS | • PERIMORPHISM n. the state of being a perimorph. |
| PITYROSPORUMS | • PITYROSPORUM n. a yeastlike fungus which can cause pityriasis. |
| PREAMPLIFIERS | • preamplifiers n. Plural of preamplifier. • PREAMPLIFIER n. an amplifier designed to amplify extremely weak electrical signals before they are fed to additional amplifier circuits. |
| PRIMIPARITIES | • PRIMIPARITY n. the bearing of one's first child. |
| PTERIDOSPERMS | • pteridosperms n. Plural of pteridosperm. • PTERIDOSPERM n. an extinct group of seed plants which bore fernlike leaves. |
| PYROMORPHITES | • pyromorphites n. Plural of pyromorphite. • PYROMORPHITE n. a green, brown, or yellow lead ore. |
| STRIPPERGRAMS | • strippergrams n. Plural of strippergram. • STRIPPERGRAM n. a message delivered by a messenger who performs a striptease act for the recipient, also STRIPAGRAM, STRIPOGRAM, STRIPPAGRAM. |
| SUPERPREMIUMS | • superpremiums n. Plural of superpremium. • SUPERPREMIUM n. a very large premium. |
| TROPHOTROPISM | • trophotropism n. The movements of the organs in a growing plant, as towards nutrient substances, induced by the chemical… • TROPHOTROPISM n. direction of growth by nutritional factors. |