| AGRITOURISMS | • AGRITOURISM n. the business of providing holidays in an agricultural setting, also AGROTOURISM. |
| ANTIRRHINUMS | • antirrhinums n. Plural of antirrhinum. • ANTIRRHINUM n. a garden flower, aka snapdragon. |
| GUERRILLAISM | • GUERRILLAISM n. the activities of guerrillas, also GUERILLAISM. |
| IPRATROPIUMS | • IPRATROPIUM n. a bronchodilator drug used in the treatment of asthma. |
| MERCURIALISE | • mercurialise v. Alternative form of mercurialize. • MERCURIALISE v. to treat with mercury or a drug containing mercury, also MERCURIALIZE. |
| MERCURIALISM | • mercurialism n. Chronic mercury poisoning. • MERCURIALISM n. a morbid condition due to mercury. |
| MERCURIALIST | • mercurialist n. (Archaic, medicine) A doctor who uses mercury or supports its use in medicine. • MERCURIALIST n. a believer in the medical use of mercury. |
| MERCURIALITY | • mercuriality n. Mercurial behaviour. • MERCURIALITY n. the state of being mercurial. |
| MERCURIALIZE | • mercurialize v. (Chemistry, transitive) To treat with mercury (the metal). • mercurialize v. (Obsolete, medicine) To treat with a mercury ointment. • mercurialize v. (Obsolete, intransitive) To be sprightly, fantastic, or capricious. |
| MITRAILLEURS | • mitrailleurs n. Plural of mitrailleur. • MITRAILLEUR n. (French) a machine-gunner. |
| MURDERABILIA | • murderabilia n. Items associated with a murderer, regarded as collectibles. • MURDERABILIA n. objects that are regarded as valuable because of their connection with murders or other notorious crimes. |
| PERICARDIUMS | • pericardiums n. Plural of pericardium. • PERICARDIUM n. a membranous sac containing the heart. |
| PERICRANIUMS | • pericraniums n. Plural of pericranium. • PERICRANIUM n. a membrane covering the skull. |
| RADIOTHORIUM | • radiothorium n. (Physics) The radioactive isotope thorium-228. • RADIOTHORIUM n. a radioactive isotope of thorium with the mass number 228. |
| SEMICIRCULAR | • semicircular adj. In the shape of half of a circle or a semicircle. • semi-circular adj. Alternative spelling of semicircular. • SEMICIRCULAR adj. having the shape of semicircle. |
| TERMITARIUMS | • termitariums n. Plural of termitarium. • TERMITARIUM n. (Latin) a termite nest. |
| TRIUMVIRATES | • triumvirates n. Plural of triumvirate. • TRIUMVIRATE n. a body of triumvirs. |