dot matrix printer
noun/ˌdɒt ˈmeɪtrɪks prɪntə(r)/
/ˌdɑːt ˈmeɪtrɪks prɪntər/
- a machine that prints letters, numbers, etc. formed from dots (= very small round marks)
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dot matrix printer
Definition of dot matrix printer noun from the Oxford Advanced Learner's Dictionary