| 1. | a combining form used in the names of sciences or bodies of knowledge: paleontology; theology. |
| 2. | a termination of nouns referring to writing, discourses, collections, etc.: trilogy; martyrology. |
| -logy or -ology suff.
[Middle English -logie, from Old French, from Latin -logia, from Greek -logiā (from logos, word, speech; see leg- in Indo-European roots) and from -logos, one who deals with (from legein, to speak; see leg- in Indo-European roots).] |
-logy suff.
Science; theory; study: dermatology.