| ANTIMACASSARS | • antimacassars n. Plural of antimacassar. • ANTIMACASSAR n. a cover to protect the back or arms of furniture. |
| ARSENOPYRITES | • arsenopyrites n. Plural of arsenopyrite. • ARSENOPYRITE n. arsenical iron pyrites. |
| ARSPHENAMINES | • arsphenamines n. Plural of arsphenamine. • ARSPHENAMINE n. another name for salvarsan, a compound of arsenic once used as a remedy for syphilis. |
| CARSICKNESSES | • CARSICKNESS n. a form of motion sickness caused by cars. |
| JUSTICIARSHIP | • JUSTICIARSHIP n. the office of justiciar. |
| MARSIPOBRANCH | • marsipobranch n. (Zoology) One of the Marsipobranchia. • MARSIPOBRANCH n. a member of the Marsipobranchi, the Cyclostomata. |
| MARSUPIALIANS | • marsupialians n. Plural of marsupialian. • MARSUPIALIAN n. a marsupial mammal. |
| NEARSIGHTEDLY | • nearsightedly adv. In a nearsighted manner; as if nearsighted; myopically. • NEARSIGHTED adv. able to see near things more clearly than distant ones. |
| PHENARSAZINES | • PHENARSAZINE n. an arsenic derivative used as a poison gas, aka adamsite. |
| PREREHEARSALS | • prerehearsals n. Plural of prerehearsal. • PREREHEARSAL n. a preliminary rehearsal. |
| PSEUDOSCALARS | • pseudoscalars n. Plural of pseudoscalar. • PSEUDOSCALAR n. a variable quantity that has magnitude but not direction and is an odd function of the coordinates. |
| REGISTRARSHIP | • registrarship n. The office or position of a registrar. • REGISTRARSHIP n. the office of registrar. |
| SARSAPARILLAS | • sarsaparillas n. Plural of sarsaparilla. • SARSAPARILLA n. (Spanish) any tropical American plant of the genus Smilax; a drink or medicine prepared from it. |
| TRYPARSAMIDES | • tryparsamides n. Plural of tryparsamide. • TRYPARSAMIDE n. a synthetic crystalline compound of arsenic used in the treatment of trypanosomal and other protozoan infections. |