add. ·adj lying outside the visible spectrum at its red end;
said of rays less refrangible than the extreme red rays.
INFRA-RED
Meaning of INFRA-RED in English
Webster English vocab. Английский словарь Webster. 2012
add. ·adj lying outside the visible spectrum at its red end;
said of rays less refrangible than the extreme red rays.
Webster English vocab. Английский словарь Webster. 2012