| MONOPHTHONGIZES | • monophthongizes v. Third-person singular simple present indicative form of monophthongize. • MONOPHTHONGIZE v. to pronounce as a monophthong, also MONOPHTHONGISE. |
| OOPHORECTOMIZES | • OOPHORECTOMIZE v. to perform an oophorectomy, removal of one or both ovaries, also OOPHORECTOMISE. |
| OZONOSPHERE | • ozonosphere n. A layer in part of the stratosphere that has a larger than normal concentration of ozone; the ozone layer. • OZONOSPHERE n. the ozone layer. |
| OZONOSPHERES | • ozonospheres n. Plural of ozonosphere. • OZONOSPHERE n. the ozone layer. |
| PHOTOIONIZES | • photoionizes v. Third-person singular simple present indicative form of photoionize. • PHOTOIONIZE v. to ionize by electromagnetic radiation, also PHOTOIONISE. |
| PHOTOOXIDIZES | • photooxidizes v. Third-person singular simple present indicative form of photooxidize. • PHOTOOXIDIZE v. to undergo photooxidation, also PHOTOOXIDISE. |
| TROPHOZOITES | • trophozoites n. Plural of trophozoite. • TROPHOZOITE n. in Protozoa, the trophic phase of an adult. |
| ZOOGEOGRAPHERS | • zoogeographers n. Plural of zoogeographer. • ZOOGEOGRAPHER n. a student of zoogeography. |
| ZOOGEOGRAPHIES | • zoogeographies n. Plural of zoogeography. • zoögeographies n. Plural of zoögeography. • ZOOGEOGRAPHY n. the study of the geographic distribution of animals. |
| ZOOMORPHIES | • ZOOMORPHY n. the conception of a god or man in animal form, also ZOOMORPHISM. |
| ZOOPATHOLOGIES | • ZOOPATHOLOGY n. the study of animal diseases. |
| ZOOPHOBES | • zoophobes n. Plural of zoophobe. • ZOOPHOBE n. one who fears or hates animals. |
| ZOOPHYSIOLOGIES | • ZOOPHYSIOLOGY n. the study of animal physiology. |
| ZOOPHYTOLOGIES | • ZOOPHYTOLOGY n. the study of zoophytes, plantlike animals. |
| ZOOPSYCHOLOGIES | • zoöpsychologies n. Plural of zoöpsychology. • ZOOPSYCHOLOGY n. the psychology of the lower animals. |
| ZOOTROPHIES | • ZOOTROPHY n. the feeding of animals. |