Englishfor English speakers
keyboard
Noun
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A keyboard is a range of black and white keys (buttons) on a musical instrument.
Pianos, organs, harpsicords and some accordions have keyboards.
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A keyboard is also a set of square or rectangular buttons on a typewriter or a computer.
Almost everybody has to use a keyboard in everyday life nowadays.
keyboard
Verb
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To keyboard is to type on a computer keyboard.
Everyday life in an office usually consists in keyboarding.
unit
Noun
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One of a measure of something; the amount of something that is counted as "one".
Measure five units to the left.
$4 is the unit price.
A pound is a useful unit for thinking about amounts of butter.
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Form of measurement.
I prefer metric units.
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Item, used when no other word for something exists.
He set up the A/C unit.