| ALBURNUMS | • alburnums n. Plural of alburnum. • ALBURNUM n. the soft wood between inner bark and heartwood. |
| ALUMINUMS | • aluminums n. Plural of aluminum. • ALUMINUM n. a light silvery malleable and ductile metallic element, also ALUMINIUM, ALUMIUM. |
| DUODENUMS | • duodenums n. Plural of duodenum. • DUODENUM n. (Latin) the first portion of the small intestine. |
| GALBANUMS | • galbanums n. Plural of galbanum. • GALBANUM n. (Latin) a gum resin exuding from the stems of certain Asiatic umbelliferous plants. |
| GLUCINUMS | • GLUCINUM n. a former name for beryllium, also GLUCINIUM. |
| LABDANUMS | • labdanums n. Plural of labdanum. • LABDANUM n. (Latin) a gum resin gathered from certain Oriental species of Cistus, also LADANUM. |
| LABURNUMS | • laburnums n. Plural of laburnum. • LABURNUM n. a genus of ornamental shrubs. |
| LAUDANUMS | • laudanums n. Plural of laudanum. • LAUDANUM n. a type of opium preparation. |
| OLIBANUMS | • olibanums n. Plural of olibanum. • OLIBANUM n. an aromatic gum from a North African tree, formerly used in medicine but now chiefly as incense. |
| ORIGANUMS | • origanums n. Plural of origanum. • ORIGANUM n. wild marjoram, also OREGANO, ORIGAN, ORIGANE. |
| PLATINUMS | • platinums n. Plural of platinum. • platinums v. Third-person singular simple present indicative form of platinum. • PLATINUM n. a metallic element, also PLATINA. |
| SPHAGNUMS | • sphagnums n. Plural of sphagnum. • SPHAGNUM n. (Greek) a grayish moss. |
| TIMPANUMS | • timpanums n. Plural of timpanum. • TIMPANUM n. (Latin) the space between an arch and the lintel of a portal, also TYMPANUM. |
| TYMPANUMS | • tympanums n. Plural of tympanum. • TYMPANUM n. (Latin) the cavity of the middle ear, also TIMPANUM. |
| VIBURNUMS | • viburnums n. Plural of viburnum. • VIBURNUM n. (Latin) a kind of shrub or tree including the guelder-rose. |