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trackball
trackball - Dictionary definition and meaning for word
trackball
Definition
(noun) an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen
Example Sentence
a trackball is essentially an upside-down mouse
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Books We Recommend!
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5 Great English Vocabulary Books we Recommend!
Oxford Picture Dictionary
Word Power Made Easy
McGraw-Hill Education Essential ESL Dictionary
504 Absolutely Essential Words 6th Edition
English Vocabulary in Use Advanced with CD-ROM: Vocabulary Reference and Practice 2nd Edition
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