n.
Pronunciation: fi- ' nä-l ə -j ē
Function: noun
Etymology: pheno mena + -logy
Date: circa 1884
1 : a branch of science dealing with the relations between climate and periodic biological phenomena (as bird migration or plant flowering)
2 : periodic biological phenomena that are correlated with climatic conditions
– phe · no · log · i · cal \ ˌ f ē -n ə - ' lä-ji-k ə l \ adjective
– phe · no · log · i · cal · ly \ -k( ə -)l ē \ adverb