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a word that belongs to a category of words that can be freely added to a language (e.g., nouns, verbs, adjectives, adverbs)
In English, 'internet' was added as a new noun, making it an open-class word.
This shows how languages evolve by adding new words.
Open-class words contrast with closed-class words (e.g., prepositions, pronouns), which are fixed and rarely change.
Open-class words include nouns, verbs, adjectives, and adverbs, while closed-class words include prepositions, pronouns, and conjunctions.
Open-class words allow languages to grow by incorporating new terms for emerging concepts.
Derived from linguistic analysis of word categories in language systems.
Open-class words are essential for language expansion, allowing new concepts to be expressed.