an instrument for measuring solid angles, as of crystals.
Origin of goniometer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
an instrument for measuring the angles between the faces of a crystal
an instrument consisting of a transformer circuit connected to two directional aerials, used to determine the bearing of a distant radio station
Word Origin for goniometer
C18: via French from Greek gōnia angle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
An optical instrument for measuring crystal angles, as between crystal faces.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.