释义 |
in·fra·red I. \|infrə|red, -ˌfrä|-, -ˌfrȧ|- sometimes |infə|r- by r-dissimilation\ adjective Etymology: infra- + red 1. : lying outside the visible spectrum at its red end — used of thermal radiation of wavelengths longer than those of visible light 2. : relating to, producing, or employing infrared radiation < infrared therapy > < infrared photography > 3. : sensitive to infrared radiation and capable of photographing in darkness or through haze < infrared film > II. noun : infrared radiation |