. "transmittance"^^ . . "113589003"^^ . "the fraction of radiant energy that passes through a substance"@en-us . "0"^^ . . . . . "0"^^ . . . "13589003-n"^^ . . "transmittance"@en-us . . "transmission"@en-us . . . "109764961"@en-us . "112823832"@en-us .