柯林斯詞典dot matrix printer (also dot-matrix printer) (dot matrix printers) 1. N-COUNT A dot matrix printer is a computer printer using a series of pins to stamp ink from a ribbon onto paper to produce words and numbers. 點陣式打印機 返回 dot matrix printer劍橋詞典a computer printer that forms letters , numbers , and other symbols from dots 點陣式打印機 返回 dot matrix printer