| ALBURNUM | • alburnum n. Sapwood; the soft, newer wood in the trunk of a tree found between the bark and the hardened heartwood. • ALBURNUM n. the soft wood between inner bark and heartwood. |
| ALUMINUM | • aluminum n. American form and Canadian form standard spelling of aluminium. • ALUMINUM n. a light silvery malleable and ductile metallic element, also ALUMINIUM, ALUMIUM. |
| DUODENUM | • duodenum n. (Anatomy) The first part of the small intestine, starting at the lower end of the stomach and extending… • DUODENUM n. (Latin) the first portion of the small intestine. |
| GALBANUM | • galbanum n. A bitter, aromatic resin or gum, extracted from plants of the genus Ferula, that resembles assafoetida… • GALBANUM n. (Latin) a gum resin exuding from the stems of certain Asiatic umbelliferous plants. |
| GLUCINUM | • glucinum n. (Obsolete, chemistry) Beryllium. • GLUCINUM n. a former name for beryllium, also GLUCINIUM. |
| LABDANUM | • labdanum n. A sticky brown resin obtained from species of rockrose, used mainly in perfume. • LABDANUM n. (Latin) a gum resin gathered from certain Oriental species of Cistus, also LADANUM. |
| LABURNUM | • laburnum n. Any tree of genus Laburnum. They have bright yellow flowers and are poisonous. • Laburnum prop.n. A taxonomic genus within the family Fabaceae – laburnums, the golden chains. • LABURNUM n. a genus of ornamental shrubs. |
| LAUDANUM | • laudanum n. A tincture of opium, once widely used for various medical purposes and as a recreational drug. • laudanum v. (Transitive) To add laudanum to (a drink or the like). • laudanum v. (Rare) To cause (a person) to be high on laudanum. |
| OLIBANUM | • olibanum n. A gum resin from trees of the genus Boswellia, formerly used as a medicine and now mainly as incense. • OLIBANUM n. an aromatic gum from a North African tree, formerly used in medicine but now chiefly as incense. |
| ORIGANUM | • origanum n. Any herbaceous plant of the genus Origanum. • Origanum prop.n. A taxonomic genus within the family Lamiaceae – herbs, including oregano and marjoram. • ORIGANUM n. wild marjoram, also OREGANO, ORIGAN, ORIGANE. |
| PLATINUM | • platinum n. The chemical element with atomic number 78 and symbol Pt; a dense, malleable, ductile, highly unreactive… • platinum n. A whitish grey colour, like that of the metal. • platinum n. (Music) A single or album that has achieved platinum sales, i.e. over 1 million or 2 million. |
| SPHAGNUM | • sphagnum n. Any of various widely distributed mosses, of genus Sphagnum, which slowly decompose to form peat. • Sphagnum prop.n. A taxonomic genus within the family Sphagnaceae – the sphagnum mosses. • SPHAGNUM n. (Greek) a grayish moss. |
| TIMPANUM | • timpanum n. (Anatomy) The eardrum. • timpanum n. (Anatomy) The middle ear. • timpanum n. (By extension) The diaphragm of a telephone. |
| TYMPANUM | • tympanum n. (Archaic) A drum. • tympanum n. (Anatomy, zootomy) Any of various anatomic structures in various animals with analogy to a drum head… • tympanum n. (Architecture) A vertical recessed triangular space between the sides of a pediment, typically decorated. |
| VIBURNUM | • viburnum n. Any of many shrubs and trees, of the genus Viburnum, native to the Northern Hemisphere that have showy… • Viburnum prop.n. A taxonomic genus within the family Adoxaceae – the viburnums. • VIBURNUM n. (Latin) a kind of shrub or tree including the guelder-rose. |