| BRONTOSAURUSES | • brontosauruses n. Plural of brontosaur. • BRONTOSAURUS n. any of a genus of large sauropod dinosaurs of the Jurassic, also BRONTOSAUR. |
| CONGRATULATORS | • congratulators n. Plural of congratulator. • CONGRATULATOR n. one who congratulates. |
| CONSERVATORIUM | • conservatorium n. (Music) conservatory. • CONSERVATORIUM n. (Latin) a school of music, also CONSERVATOIRE. |
| EXTRAFORANEOUS | • extraforaneous adj. (Nonce word, archaic) outdoor. • EXTRAFORANEOUS adj. outdoors. |
| FORAMINIFEROUS | • foraminiferous adj. Having small openings, or foramina. • foraminiferous adj. Pertaining to, or composed of, Foraminifera. • FORAMINIFEROUS adj. bearing foramina. |
| ONCORNAVIRUSES | • oncornaviruses n. Plural of oncornavirus. • ONCORNAVIRUS n. an oncogenic RNA virus. |
| OVERENCOURAGES | • overencourages v. Third-person singular simple present indicative form of overencourage. • OVERENCOURAGE v. to encourage to excess. |
| OVERPERSUASION | • overpersuasion n. Excessive persuasion. • OVERPERSUASION n. excessive persuasion. |
| OVERSATURATION | • oversaturation n. Supersaturation. • OVERSATURATION n. excessive saturation. |
| PROTUBERATIONS | • protuberations n. Plural of protuberation. • PROTUBERATION n. a swelling out, a bulge. |
| RADIOSTRONTIUM | • radiostrontium n. Any radioactive isotope of strontium, especially 9038Sr. • RADIOSTRONTIUM n. a radioactive isotope of strontium, esp. strontium-90. |
| REFORMULATIONS | • reformulations n. Plural of reformulation. • REFORMULATION n. the act of reformulating. |
| SUBCONTRACTORS | • subcontractors n. Plural of subcontractor. • SUBCONTRACTOR n. an individual or business firm contracting to perform part or all of another's contract. |
| SUPEREROGATION | • supererogation n. An act of doing more than is required. • supererogation n. (Philosophy) An action that is neither morally forbidden nor required, but has moral value. • SUPEREROGATION n. the act of performing more than is required by duty, obligation or need. |
| TRAITOROUSNESS | • traitorousness n. The state or quality of being traitorous. • TRAITOROUSNESS n. the state of being traitorous. |
| UPROARIOUSNESS | • uproariousness n. Noisy riot or hilarity; uproar. • UPROARIOUSNESS n. the state of being uproarious. |