strain gage(n = noun.artifact) strain gauge - a gauge for measuring strain in a surface;
is a kind of gage, gauge

cotton strain, depth gage, gage, gas gage, gasoline gage, mental strain, nervous strain, poinsettia strain, pressure gage, rain gage, strain, strain gauge, surface gage, vacuum gage, water gage, wedge gage, wind gage, wire gage