the branch of ornithology that studies birds' eggs.
Origin of oology
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for oology
Historical Examples of oology
Ol′ogist, one versed in oology; Om′eter, an apparatus for measuring eggs.
the branch of ornithology concerned with the study of birds' eggs
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