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 There are 7 twelve-letter words containing I, L, M, N and 3U| CUMULONIMBUS | • cumulonimbus n. (Meteorology) A cloud, with a tall structure and a flat base, that is often associated with thunderstorms. • cumulo-nimbus n. Alternative form of cumulonimbus.
 • CUMULONIMBUS n. a type of cloud.
 |  | 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).
 |  | TUMULTUATING | • tumultuating v. Present participle of tumultuate. • TUMULTUATE v. (archaic) to make a tumult.
 |  | TUMULTUATION | • tumultuation n. (Obsolete) Irregular or disorderly movement; commotion. • TUMULTUATION n. (archaic) a tumult.
 |  | UNMIRACULOUS | • unmiraculous adj. Not miraculous; commonplace, mundane. • UNMIRACULOUS adj. not miraculous.
 |  | UNNILQUADIUM | • unnilquadium n. (Dated) rutherfordium. • UNNILQUADIUM n. a former name of the transuranic element rutherfordium.
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 Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.Definitions are short excerpt from the WikWik.org and 1Word.ws.
 
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