| ACROPHONIES | • acrophonies n. Plural of acrophony. • ACROPHONY n. the use of a word starting with a letter of the alphabet as the name of the letter. |
| ANORTHOSITE | • anorthosite n. (Petrology) A phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar. • ANORTHOSITE n. an igneous rock that consists of 90 or more percent of plagioclase feldspar, typically labradorite. |
| ANTHROPOIDS | • anthropoids n. Plural of anthropoid. • ANTHROPOID n. any of a suborder of higher primates. |
| CHORISATION | • CHORISATION n. the multiplication of parts etc. by splitting, also CHORIZATION. |
| DIACHRONOUS | • diachronous adj. (Geology) Varying in age from place to place. • diachronous adj. Alternative form of diachronic. • DIACHRONOUS adj. relating to the study of a language through its development. |
| DISCOPHORAN | • DISCOPHORAN n. a jellyfish. |
| DISHONORARY | • dishonorary adj. Causing dishonour; tending to disgrace. • DISHONORARY adj. causing dishonour. |
| HARMONICONS | • harmonicons n. Plural of harmonicon. • HARMONICON n. a harmonica, also ARMONICA, HARMONICA. |
| HONORARIUMS | • honorariums n. Plural of honorarium. • HONORARIUM n. a voluntary fee paid esp. to a professional person for their services. |
| HORIZONTALS | • horizontals n. Plural of horizontal. • HORIZONTAL n. a horizontal line. |
| HORRISONANT | • horrisonant adj. Having an unpleasant sound. • HORRISONANT adj. dreadful-sounding, also HORRISONOUS. |
| ICOSAHEDRON | • icosahedron n. (Geometry) A polyhedron with twenty faces. • icosahedron n. (Geometry, specifically) A regular icosahedron: one of the Platonic solids, all of whose faces are regular… • ICOSAHEDRON n. a polyhedron having 20 faces. |
| NOSOGRAPHIC | • nosographic adj. Of or pertaining to nosography. • NOSOGRAPHIC adj. relating to nosography, the description of diseases. |
| ORNITHOSAUR | • ORNITHOSAUR n. a pterodactyl. |
| ORTHOCAINES | • orthocaines n. Plural of orthocaine. • ORTHOCAINE n. a white crystalline substance used as a local anaesthetic. |
| PATROONSHIP | • patroonship n. (US, historical) The position or office of a patroon; landownership (originally of a Dutch colony). • patroonship n. (US, historical) An estate run by a patroon, or under a similar system. • PATROONSHIP n. the office of patroon, a ship's captain; a holder of a grant of land from the Dutch governor of New York. |
| RADIOPHONES | • radiophones n. Plural of radiophone. • RADIOPHONE n. an instrument for producing sound by radiant energy. |
| RHIZOPODANS | • RHIZOPODAN n. one of the Rhizopoda, amoebae and rotarians moving and taking in food with pseudopods, also RHIZOPOD. |
| SONOGRAPHIC | • sonographic adj. Of or pertaining to sonography. |
| TRICHOMONAS | • trichomonas n. Trichomonad. • Trichomonas prop.n. A taxonomic genus within the family Trichomonadidae – flagellated protozoans parasitic in many animals. |