The scientific study of insects.
‘Entomology is an important field of study within biology.’;
The hobby of butterfly collecting.
That part of Zoology which treats of insects.
A treatise on the science of entomology.
the branch of zoology that studies insects
the branch of zoology concerned with the study of insects.
Entomology (from Ancient Greek ἔντομον (entomon) 'insect', and -λογία (-logia) 'study of') is the scientific study of insects, a branch of zoology. In the past the term was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such as arachnids, myriapods, and crustaceans.