noun🔗Share(grammar) A function word."Prepositions are examples of functors in English grammar. "grammarlanguagelinguisticsChat with AIVocabulary GamePractice Reading
noun🔗ShareA function object."The calculator app uses different functors, like add, subtract, multiply, and divide, to perform various arithmetic operations when you press the buttons. "computingfunctiontechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareA category homomorphism; a morphism from a source category to a target category which maps objects to objects and arrows to arrows, in such a way as to preserve domains and codomains (of the arrows) as well as composition and identities."In the category of categories, mathbb{CAT}, the objects are categories and the morphisms are functors."mathlogiccomputingtechnicaltheoryChat with AIVocabulary GamePractice Reading