Capable of being chipped; able to break or fragment into small pieces.
From chip (Old English 'ceapian') + -able suffix, creating an adjective meaning 'able to be chipped,' following standard English word formation patterns.
English speakers instinctively understand that adding '-able' to a verb creates an adjective—this productive suffix lets us create new words on the fly, which is why we easily understand new words like 'chippable' even if we've never seen them before.
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