| ANESTRUM | • anestrum n. Synonym of anestrus. • ANESTRUM n. (Greek) a period of sexual inactivity between periods of oestrus, also ANESTRUS, ANOESTRUM, ANOESTRUS. |
| CEREBRUM | • cerebrum n. (Neuroanatomy) The principal and most anterior part of the brain in vertebrates, which is located in… • CEREBRUM n. (Latin) a part of the brain. |
| DELUBRUM | • delubrum n. A temple or shrine. • delubrum n. A sanctuary. • delubrum n. A church with a font. |
| DIESTRUM | • diestrum n. (Biology) The interval between two periods of estrus. • DIESTRUM n. a period of sexual inactivity, also DIESTRUS. |
| ELECTRUM | • electrum n. (Obsolete) Amber. • electrum n. An alloy of gold and silver, used by the ancients; now specifically a natural alloy with between 20… • electrum n. German silver plate. |
| HUMSTRUM | • humstrum n. An instrument out of tune or rudely constructed. • humstrum n. A hurdy-gurdy. • humstrum n. (Uncountable) Music badly played. |
| NGULTRUM | • ngultrum n. The official currency of Bhutan, equal to 100 chetrums. • NGULTRUM n. a monetary unit of Bhutan. |
| PHILTRUM | • philtrum n. (Anatomy) The shallow vertical groove running from the nasal septum to the center of the upper lip. • philtrum n. (Zootomy) The junction between the two halves of an animal’s upper lip or nose. • PHILTRUM n. (Greek) the indentation between the upper lip and the nose. |
| PLASTRUM | • plastrum n. Alternative form of plastron. • PLASTRUM n. a fencer's padded breast-shield; the underside of a turtle's shell, also PLASTRON. |
| PLECTRUM | • plectrum n. (Music) A small piece of plastic, metal, ivory, etc., for plucking the strings of a guitar, lyre, mandolin, etc. • plectrum n. (Anatomy, zoology) A projection of bone or other stiff tissue, such as the ridges in some insects’ stridulatory… • PLECTRUM n. (Latin) a small pointed object for plucking guitar strings, also PLECTRE, PLECTRON. |
| PULLORUM | • pullorum n. (Veterinary medicine) A severe infectious disease of young poultry, caused by a form of the salmonella bacterium. • PULLORUM adj. as in pullorum disease, a bacterial infection in chickens. |
| SCALPRUM | • scalprum n. A toothed raspatory used in trephining and in removing carious bone. • scalprum n. A large strong scalpel. • SCALPRUM n. (Latin) a surgeon's rasping instrument. |
| SPECTRUM | • spectrum n. A range; a continuous, infinite, one-dimensional set, possibly bounded by extremes. • spectrum n. Specifically, a range of colours representing light (electromagnetic radiation) of contiguous frequencies;… • spectrum n. (Psychology, education, usually with the) The autism spectrum. |
| VARIORUM | • variorum n. An edition of a written work (especially the complete works of a classical writer) showing the notes… • VARIORUM n. (Latin) an edition of a text that includes the notes of earlier scholars or editors. |
| VERATRUM | • veratrum n. Any of various poisonous herbs of the genus Veratrum. • Veratrum prop.n. A taxonomic genus within the family Melanthiaceae – the false hellebores. • VERATRUM n. (Latin) a genus of coarse liliaceous herbs having very poisonous qualities. |