| COMPUTERDOM | • computerdom n. (Informal) The world of computers and the people associated with them. • COMPUTERDOM n. the world of computers. |
| COUNTERMEMO | • countermemo n. A memo in reply to, and opposing, another memo. • COUNTERMEMO n. a memo made in contradiction of another. |
| EXCOMMUNION | • excommunion n. (Obsolete) A shutting out from communion; excommunication. • EXCOMMUNION n. (Milton) excommunication. |
| HOMEOMEROUS | • homeomerous adj. (Archaic) Alternative form of homoeomerous. • HOMEOMEROUS adj. having all the somites alike, also HOMEOMERIC, HOMOEOMERIC, HOMOEOMEROUS, HOMOIOMEROUS. |
| IMMOMENTOUS | • immomentous adj. Not momentous; unimportant; insignificant. • IMMOMENTOUS adj. of no value, trifling, also IMMOMENT. |
| MESOTHORIUM | • mesothorium n. (Physics) Any product of the radioactive decay of thorium, mainly isotopes of radium and actinium. • MESOTHORIUM n. an old name for either of two radioactive elements. |
| MIMOSACEOUS | • mimosaceous adj. (Botany) Of or relating to the Mimosaceae. • MIMOSACEOUS adj. belonging to the mimosa family. |
| MOMENTOUSLY | • momentously adv. In a momentous manner. • MOMENTOUS adv. of great consequence. |
| MULTIROOMED | • multiroomed adj. Having multiple rooms. • MULTIROOMED adj. having many rooms. |
| MUSHROOMERS | • mushroomers n. Plural of mushroomer. • MUSHROOMER n. something that mushrooms, expands rapidly. |
| MUSHROOMIER | • MUSHROOMY adj. of or like a mushroom. |
| MYELOMATOUS | • myelomatous adj. (Pathology) Relating to a myeloma. • MYELOMATOUS adj. relating to a myeloma, a tumour of the bone marrow. |
| POLEMONIUMS | • polemoniums n. Plural of polemonium. • POLEMONIUM n. a genus of gamopetalous perennial herbs, including the Jacob's ladder and the Greek valerian. |
| POMPELMOUSE | • pompelmouse n. (Obsolete) Alternative form of pampelmoes (“grapefruit”). • POMPELMOUSE n. (Dutch) the shaddock or grapefruit, also PAMPELMOOSE, PAMPELMOUSE, POMELO, POMPELMOOSE, POMPELMOUS, POMPELO, PUMELO, PUMMELO. |
| RUMORMONGER | • rumormonger n. (American spelling) A person who spreads rumors and gossip. • rumormonger v. To spread rumors and gossip. • rumor-monger n. Alternative spelling of rumormonger. |
| STOMODAEUMS | • STOMODAEUM n. in embryology, the invagination that forms the anterior part of the digestive tract, also STOMODEUM. |
| SUMMERWOODS | • SUMMERWOOD n. wood with smaller and thicker-walled cells than springwood. |
| UNCOMMONEST | • uncommonest adj. Superlative form of uncommon: most uncommon. • UNCOMMON adj. not common. |
| VOLUMOMETER | • volumometer n. (Physics) A device for measuring the volume of a solid by means of the pressure difference in a confined… • VOLUMOMETER n. an instrument for measuring the volume of a solid body by the quantity of fluid it displaces. |
| ZOOSPERMIUM | • ZOOSPERMIUM n. one of the spermatic particles; a spermatozoid, also ZOOSPERM. |