| BRYOLOGY | • bryology n. (Botany) The study of bryophytes (non-vascular plants including mosses, liverworts and hornworts). • BRYOLOGY n. the study of mosses. |
| CYTOLOGY | • cytology n. (Biology) The study of cells. • cytology n. Cytopathology. • CYTOLOGY n. a study of cells. |
| HOLOGYNY | • HOLOGYNY n. a trait transmitted only in the female line. |
| JOYOUSLY | • joyously adv. In a joyful manner; joyfully. • JOYOUS adv. joyful. |
| LOGOTYPY | • logotypy n. (Typography) The use of logotypes or ligatures. • LOGOTYPY n. the use of logotypes. |
| MYCOLOGY | • mycology n. The study of fungi, in the wide sense. • MYCOLOGY n. the branch of botany dealing with fungi. |
| POLYGONY | • polygony n. Any plant of the genus Polygonum, especially knotgrass. • POLYGONY n. (Spenser) the plant bistort. |
| POLYONYM | • polyonym n. An object that has a variety of names. • polyonym n. A polynomial name or term. • POLYONYM n. a name consisting of several words. |
| POLYPODY | • polypody n. Any of many ferns of the genus Polypodium, especially common polypody. • POLYPODY n. a fern with creeping rootstocks. |
| POLYSOMY | • polysomy n. The condition of being polysomic. • POLYSOMY n. a condition in which one or more extra chromosomes are present in the cells of the body. |
| PYROLOGY | • pyrology n. (Dated) the scientific study of the effects of heat or flame, often in regards to explosives or chemical compounds. • PYROLOGY n. the scientific examination of materials by heat. |
| TYPOLOGY | • typology n. The study of symbolic representation, especially of the origin and meaning of Scripture types. • typology n. The systematic classification of the types of something according to their common characteristics. • typology n. (Archaeology) The result of the classification of things according to their characteristics. |
| XYLOLOGY | • xylology n. (Rare) The study of wood. • XYLOLOGY n. the study of the structure of wood. |
| XYLOTOMY | • xylotomy n. (Botany) The art of preparing sections of wood (as by means of a microtome) for microscopic examination. • XYLOTOMY n. the preparation of wood for microscopic examination. |
| ZYMOLOGY | • zymology n. (Zymurgy) A treatise on the fermentation of liquors, or the doctrine of fermentation. • zymology n. The science of or knowledge concerning fermentation. • ZYMOLOGY n. the science of fermentation. |