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essential property

a characteristic of an idea or entity that is essential to its nature or existence. For example, being female is an essential property of mothers, whereas being tired is an accidental property.

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Psychology term of the day

March 3rd 2024

closed-class words

closed-class words

in a language, a category of words that does not readily admit new members, consisting mainly of words that serve key grammatical functions, such as pronouns, prepositions, and determiners (see function word). Compare open-class words.