| DURALUMINIUM | • duraluminium n. Synonym of duralumin. • DURALUMINIUM n. a strong, light, aluminium alloy containing copper, also DURAL, DURALUMIN. |
| INFUNDIBULUM | • infundibulum n. (Anatomy) A funnel-shaped cavity or organ. • INFUNDIBULUM n. a funnel-shaped body part (e.g. the nares). |
| QUINQUENNIUM | • quinquennium n. A period of five years. • QUINQUENNIUM n. a period of five years, also QUINQUENNIAD. |
| UNAUSPICIOUS | • unauspicious adj. Inauspicious. • UNAUSPICIOUS adj. (Shakespeare) inauspicious. |
| UNNILQUADIUM | • unnilquadium n. (Dated) rutherfordium. • UNNILQUADIUM n. a former name of the transuranic element rutherfordium. |
| UNSUSPICIOUS | • unsuspicious adj. Not suspicious; not suspecting, unaware (of something). • unsuspicious adj. Not arousing suspicion. • UNSUSPICIOUS adj. not suspicious. |
| DURALUMINIUMS | • DURALUMINIUM n. a strong, light, aluminium alloy containing copper, also DURAL, DURALUMIN. |
| MULTITUDINOUS | • multitudinous adj. Existing in great numbers; innumerable. • multitudinous adj. Comprising a large number of parts. • multitudinous adj. Crowded with many people. |
| QUINQUENNIUMS | • quinquenniums n. Plural of quinquennium. • QUINQUENNIUM n. a period of five years, also QUINQUENNIAD. |
| SUBBITUMINOUS | • subbituminous adj. Partly or imperfectly bituminous. • SUBBITUMINOUS adj. of, relating to, or being coal of lower rank than bituminous coal but higher than lignite. |
| UNNILQUADIUMS | • UNNILQUADIUM n. a former name of the transuranic element rutherfordium. |
| QUINQUEFARIOUS | • quinquefarious adj. (Botany, rare) Arranged in five vertical rows. • QUINQUEFARIOUS adj. arranged in five rows. |
| UBIQUITOUSNESS | • ubiquitousness n. The state or property of being ubiquitous. • ubiquitousness n. The state of being everywhere at any given time. • UBIQUITOUS n. being everywhere at once, also UBIQUITARY. |
| UNSUSPICIOUSLY | • unsuspiciously adv. In an unsuspicious way. • UNSUSPICIOUS adv. not suspicious. |
| MULTITUDINOUSLY | • multitudinously adv. In a multitudinous way. • MULTITUDINOUS adv. existing in a great multitude. |
| PULCHRITUDINOUS | • pulchritudinous adj. (Literary) Having great physical beauty. • PULCHRITUDINOUS adj. beautiful, comely. |
| UNPUNCTUALITIES | • unpunctualities n. Plural of unpunctuality. • UNPUNCTUALITY n. lack of punctuality. |