| AEOLOTROPIES | • AEOLOTROPY n. variation in physical properties on basis of position. |
| ASTROGEOLOGY | • astrogeology n. (Astronomy, geology) The science dealing with the structure and composition of planets and other bodies… • ASTROGEOLOGY n. the study of extraterrestrial geology. |
| COOPERATIONS | • cooperations n. Plural of cooperation. • coöperations n. Plural of coöperation. • COOPERATION n. the action of cooperating. |
| CORROBORATES | • corroborates v. Third-person singular simple present indicative form of corroborate. • CORROBORATE v. to support with evidence or authority. |
| EROTOPHOBIAS | • EROTOPHOBIA n. fear of sex. |
| MOTORBOATERS | • motorboaters n. Plural of motorboater. • MOTORBOATER n. one who drives a motorboat. |
| MOTORCOACHES | • motorcoaches n. Plural of motorcoach. • motor-coaches n. Plural of motor-coach. • motor␣coaches n. Plural of motor coach. |
| OMMATOPHORES | • ommatophores n. Plural of ommatophore. • OMMATOPHORE n. an eyestalk, as in snails. |
| ORTHOBORATES | • orthoborates n. Plural of orthoborate. • ORTHOBORATE n. a salt of orthoboric acid. |
| OSTEOSARCOMA | • osteosarcoma n. A type of cancer of the bone. • OSTEOSARCOMA n. a malignant tumour derived from osteoblasts, composed of bone and sarcoma cells. |
| OVARIOTOMIES | • ovariotomies n. Plural of ovariotomy. • OVARIOTOMY n. the operation of removing one or both of the ovaries, aka oophorectomy. |
| RADIOISOTOPE | • radioisotope n. (Physics) a radioactive isotope of an element. • RADIOISOTOPE n. a radioactive isotope. |
| RODOMONTADES | • rodomontades n. Plural of rodomontade. • RODOMONTADE n. (French) a bragging speech; vain boasting or bluster. |
| SEROTAXONOMY | • SEROTAXONOMY n. serological analysis as a source of information for taxonomic classification. |
| SPERMATOZOON | • spermatozoon n. (Cytology) A reproductive cell or gamete of a male, carried in semen, that fertilizes an ovum to produce a zygote. • spermatozoön n. Alternative spelling of spermatozoon. • SPERMATOZOON n. a male sexual cell, which fertilises the egg, also SPERMATOZOAN. |
| THORACOSCOPE | • thoracoscope n. The instrument used in thoracoscopy. • THORACOSCOPE n. an instrument for viewing the thorax and chest wall. |