| AUTUMNIER | • AUTUMNY adj. (colloq.) autumn-like. |
| CURCUMINE | • curcumine n. Alternative form of curcumin. • CURCUMINE n. the saffron-yellow colouring matter of turmeric, used esp. in food colouring, also CURCUMIN. |
| EUNUCHISM | • eunuchism n. The condition of being a eunuch. • EUNUCHISM n. the state of being eunuch. |
| EUPHONIUM | • euphonium n. A valved brass instrument with conical tubing similar in appearance to a tuba but of higher pitch; a sax horn. • EUPHONIUM n. a musical instrument like a tuba but with somewhat higher pitch. |
| MINUSCULE | • minuscule n. A lowercase letter. • minuscule n. Either of the two medieval handwriting styles minuscule cursive and Caroline minuscule. • minuscule n. A letter in these styles. |
| NEBULIUMS | • NEBULIUM n. an element formerly assumed to explain certain lines in the spectra of gaseous nebulae, now known to be due to states of oxygen and nitrogen not possible under earthly conditions. |
| NELUMBIUM | • nelumbium n. (Botany) Any member of the former plant genus Nelumbium. • NELUMBIUM n. (Tamil) a plant of the Nelumbium genus of waterlilies that includes the sacred lotus, also NELUMBO. |
| NEPTUNIUM | • neptunium n. The transuranic chemical element with atomic number 93 and symbol Np. • NEPTUNIUM n. a radioactive metallic chemical element of the lanthanide series. |
| NUMMULINE | • nummuline adj. Relating to nummulites. • nummuline n. A nummulite. • NUMMULINE n. any of large fossil protozoans. |
| NUMMULITE | • nummulite n. A protozoan from the Tertiary period, known only as fossils. • NUMMULITE n. a fossil of the genus Nummulites and allied genera. |
| RUTHENIUM | • ruthenium n. A metallic chemical element (symbol Ru) with an atomic number of 44. • ruthenium n. (Countable) An atom of this element. • RUTHENIUM n. a metallic element of the platinum group. |
| UNILLUMED | • unillumed adj. (Archaic) Not illumed; unlit. • UNILLUMED adj. not illuminated. |
| UNTIMEOUS | • untimeous adj. (Archaic) untimely. • UNTIMEOUS adj. untimely. |
| UREDINIUM | • uredinium n. (Botany) The reddish pustule that occurs on the leaves of a plant infected with rust fungus. • UREDINIUM n. a uredosorus, a sorus or pustule in which urediniospores are formed, also UREDIUM. |