墨水儿 mòshuǐr ink Definitions Defs Origin Strokes Stroke Words Sentences Sents mòshuǐr ink 墨水 mòshuǐ noun ink ink; colored liquid used for writing, printing, or copying儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.mòshuǐr book learning 墨水 mòshuǐ book learning metaphorical term for education, learning, or knowledge儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.