-LOGY


Meaning of -LOGY in English

I. -logy /lədʒi/ BrE AmE suffix [in nouns]

[ Language: Old French ; Origin: -logie , from Latin -logia , from Greek , from logos ; ⇨ ↑ logic ]

another form of the suffix ↑ -ology :

mineralogy (=the study of minerals)

II. -ology /ɒlədʒi $ ɑːl-/ AmE ( also -logy ) suffix [in nouns]

[ Origin: -logy ]

1 . the study of something, especially something scientific:

geology (=the study of rocks and the Earth)

climatology (=the study of climate)

Egyptology (=the study of ancient Egypt)

2 . the things studied by a particular science:

The geology (=structure of the rocks etc) of north Devon is particularly interesting.

—-ological /əlɒdʒɪk ə l $ -lɑː-/ suffix [in adjectives]

—-ologically /əlɒdʒɪkli $ əlɑː-/ suffix [in adverbs] :

geologically interesting

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.