| BIOECOLOGY | • bioecology n. The specifically biological aspects of ecology. • BIOECOLOGY n. the study of interaction of life in the environment. |
| BRYOLOGIES | • BRYOLOGY n. the study of mosses. |
| CYTOLOGIES | • CYTOLOGY n. a study of cells. |
| DELTIOLOGY | • deltiology n. The study and collection of postcards. • DELTIOLOGY n. the collecting of postcards. |
| EXOBIOLOGY | • exobiology n. (Biology, science fiction) The branch of biology dealing with lifeforms originating a different planet. • EXOBIOLOGY n. the study of extraterrestrial life. |
| HOLOGYNIES | • HOLOGYNY n. a trait transmitted only in the female line. |
| LEXICOLOGY | • lexicology n. (Uncountable, linguistics) The part of linguistics that studies words, their nature and meaning, words’… • lexicology n. (Countable) A specific theory concerning the lexicon. • LEXICOLOGY n. the study of words and their meanings. |
| LOGOTYPIES | • LOGOTYPY n. the use of logotypes. |
| MYCOLOGIES | • MYCOLOGY n. the branch of botany dealing with fungi. |
| ONEIROLOGY | • oneirology n. The study of dreams and their interpretation. • ONEIROLOGY n. the study of dreams. |
| POLYGONIES | • polygonies n. Plural of polygony. • POLYGONY n. (Spenser) the plant bistort. |
| PYROLOGIES | • PYROLOGY n. the scientific examination of materials by heat. |
| SEISMOLOGY | • seismology n. The study of the vibration of the Earth’s interior caused by natural and unnatural sources, such as earthquakes. • SEISMOLOGY n. the study of earthquakes. |
| SEMEIOLOGY | • semeiology n. Alternative form of semiology. • SEMEIOLOGY n. the study of signs and signals, also SEMIOLOGY. |
| TYPOLOGIES | • typologies n. Plural of typology. • TYPOLOGY n. the study of classification according to type. |
| XYLOLOGIES | • XYLOLOGY n. the study of the structure of wood. |
| ZYMOLOGIES | • ZYMOLOGY n. the science of fermentation. |