trigonometer

trigonometer

(ˌtrɪɡəˈnɒmɪtə)
n
(Mathematics) any of various instruments used in trigonometry
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
To compute such quantities, zealous astronomers compiled detailed trig tables; indeed, the thirteenth-century trigonometer Najm al-Din al-Misri's table contained more than 400,000 entries.
Throughout his narrative, he features selections from the works of trigonometers written in a semblance of the original notation, followed by an explanation in modern terms.
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