| AEROMODELLINGS | • AEROMODELLING n. the making and flying of model planes. |
| ALCOHOLOMETERS | • alcoholometers n. Plural of alcoholometer. • ALCOHOLOMETER n. an instrument for measuring the proportion of alcohol in solutions. |
| COLONIALNESSES | • COLONIALNESS n. the state of being colonial. |
| COLOURABLENESS | • colourableness n. The state or quality of being colourable. • COLOURABLE n. that can be coloured, also COLORABLE. |
| DIALECTOLOGIES | • dialectologies n. Plural of dialectology. • DIALECTOLOGY n. the study of dialects. |
| LEPTOCEPHALOUS | • leptocephalous adj. Relating to a leptocephalus. • LEPTOCEPHALOUS adj. having a narrow skull, also LEPTOCEPHALIC. |
| LOGODAEDALUSES | • logodaedaluses n. Plural of logodaedalus. • LOGODAEDALUS n. one skilled in the manipulative use of words. |
| MACROMOLECULES | • macromolecules n. Plural of macromolecule. • MACROMOLECULE n. a very large molecule, as of a protein or rubber. |
| PALAEBIOLOGIES | • PALAEBIOLOGY n. the study of fossil plants and animals, also PALAEOBIOLOGY, PALEOBIOLOGY. |
| PALEOBIOLOGIES | • PALEOBIOLOGY n. a branch of paleontology concerned with the biology of fossil organisms, also PALAEBIOLOGY, PALAEOBIOLOGY. |
| PALEOECOLOGIES | • paleoecologies n. Plural of paleoecology. • PALEOECOLOGY n. a branch of ecology that is concerned with the characteristics of ancient environments and with their relationships to ancient plants and animals. |
| PALEOECOLOGIST | • paleoecologist n. An ecologist whose speciality is paleoecology. • PALEOECOLOGIST n. one who studies paleoecology. |
| PALEONTOLOGIES | • PALEONTOLOGY n. the study of fossils, also PALAEONTOLOGY. |
| PALEOZOOLOGIES | • PALEOZOOLOGY n. the study of fossil animals, also PALAEOZOOLOGY. |
| PLACENTOLOGIES | • PLACENTOLOGY n. the scientific study of placentae. |
| POSTCOLLEGIATE | • postcollegiate adj. Occurring after graduation from college. • POSTCOLLEGIATE adj. taking place after college. |
| POSTEROLATERAL | • posterolateral adj. (Anatomy) Situated on the side and toward the posterior aspect. • postero-lateral adj. Alternative spelling of posterolateral. • POSTEROLATERAL adj. posterior and lateral in position or direction. |
| ROLLERCOASTERS | • rollercoasters n. Plural of rollercoaster. • roller-coasters n. Plural of roller-coaster. • roller␣coasters n. Plural of roller coaster. |
| SPELAEOLOGICAL | • SPELAEOLOGICAL adj. relating to spelaeology, the scientific study of caves. |
| SPELAEOLOGISTS | • spelaeologists n. Plural of spelaeologist. • SPELAEOLOGIST n. one who explores caves. |