| CLARINETTISTS | • clarinettists n. Plural of clarinettist. • CLARINETTIST n. one who plays the clarinet, also CLARINETIST. |
| DILETTANTISMS | • dilettantisms n. Plural of dilettantism. • DILETTANTISM n. the state of being a dilettante, also DILETTANTEISM. |
| INTERSTITIALS | • interstitials n. Plural of interstitial. • INTERSTITIAL n. an extra atom in a crystal lattice, causing a defect. |
| LITHOTRITISES | • lithotritises v. Third-person singular simple present indicative form of lithotritise. • LITHOTRITISE v. to perform a lithotrity, also LITHOTRITIZE. |
| POSTLITERATES | Sorry, definition not available. |
| RELATIVITISTS | • relativitists n. Plural of relativitist. • RELATIVITIST n. a person who studies or accepts relativity. |
| RESETTLEMENTS | • resettlements n. Plural of resettlement. • RESETTLEMENT n. the act of resettling. |
| SILHOUETTISTS | • silhouettists n. Plural of silhouettist. • SILHOUETTIST n. one who makes silhouettes. |
| SLATTERNLIEST | • SLATTERNLY adj. like a slattern. |
| STROMATOLITES | • stromatolites n. Plural of stromatolite. • STROMATOLITE n. a rounded, multilayered structure, found in rocks dating back at least 2800 million years, having present-day equivalents that result from the growth, under special conditions, of blue-green algae. |
| SUBSTITUTABLE | • substitutable adj. Capable of being used as a substitute; valid as a replacement or alternate item. • substitutable adj. Capable of being substituted. • substitutable n. Something that can be substituted for something else; a viable replacement. |
| TERATOLOGISTS | • teratologists n. Plural of teratologist. • TERATOLOGIST n. a student of teratology. |
| TESTABILITIES | • testabilities n. Plural of testability. • TESTABILITY n. the ability to be tested. |
| ULTRALEFTISTS | • ultraleftists n. Plural of ultraleftist. • ULTRALEFTIST n. one who supports the extreme Left. |
| UNSETTLEMENTS | • unsettlements n. Plural of unsettlement. • UNSETTLEMENT n. an act, process, or instance of unsettling. |