| COMPOSURES | • composures n. Plural of composure. • COMPOSURE n. calmness, self-possession. |
| DISPERMOUS | • dispermous adj. (Botany) Having only two seeds. • DISPERMOUS adj. having two seeds. |
| DYSPROSIUM | • dysprosium n. A metallic chemical element (symbol Dy) with atomic number 66: a rare earth element with a metallic silver lustre. • DYSPROSIUM n. a rare-earth metal used in nuclear research. |
| IMPOSTROUS | • impostrous adj. (Archaic) Characterized by imposture; deceitful. • IMPOSTROUS adj. doing imposture. |
| IMPOSTURES | • impostures n. Plural of imposture. • IMPOSTURE n. a fraud, the act of an impostor. |
| MOUSETRAPS | • mousetraps n. Plural of mousetrap. • mousetraps v. Third-person singular simple present indicative form of mousetrap. • MOUSETRAP v. to catch in a mousetrap. |
| PASTORIUMS | • PASTORIUM n. the residence of a pastor. |
| RESPONSUMS | • RESPONSUM n. (Latin) in rabbinical literature, a written response to a question of doctrine. |
| SCRUMPOXES | • SCRUMPOX n. (slang) rugby slang for impetigo spread by players' faces rubbing together in the scrum. |
| SEMIGROUPS | • semigroups n. Plural of semigroup. • SEMIGROUP n. a mathematical group that is closed under an associative binary operation. |
| STUMPWORKS | • STUMPWORK n. a type of embroidery featuring raised figures, padded with cotton, wool or hair. |
| SUPERATOMS | • superatoms n. Plural of superatom. • SUPERATOM n. a cluster of atoms behaving like a single atom. |
| SUPERBOMBS | • superbombs n. Plural of superbomb. • SUPERBOMB n. a very big bomb. |
| SUPERMOONS | • supermoons n. Plural of supermoon. • Supermoons n. Plural of Supermoon. • super␣moons n. Plural of super moon. |
| SUPERMOTOS | • supermotos n. Plural of supermoto. • SUPERMOTO n. a form of motorcycle racing over part tarmac, part dirt. |
| SUPERSTORM | • superstorm n. A major storm (weather phenomenon). • SUPERSTORM n. an extremely powerful storm that causes widespread devastation. |
| UNCOMPRESS | • uncompress v. (Computing, transitive) To restore a compressed file to its normal size. |