noun
EXAMPLES FROM CORPUS
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Gregory's bass guitar was out of tune because of a wayward string and none of the group had guitar tuners.
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I was fiddling with the tuner , trying to get a station with news.
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She could feel their tension and their eyes on her as she flicked the tuner across the dial desperately.
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The tuners are Jackson's own and feel satisfyingly smooth and efficient, with no unwanted backlash.
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The banjo-style tuners are the coolest things too.
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These sockets are followed by a useful tuner output which feeds any external guitar tuner without interrupting the signal path.