transmissivity

[ trans-mi-siv-i-tee, tranz- ]

noun

, Physics.

1. a measure of the ability of a material or medium to transmit electromagnetic energy, as light.

transmissivity

/ ˌtrænzmɪˈsɪvɪtɪ /

noun

1. physics a measure of the ability of a material to transmit radiation, equal to the internal transmittance of the material under conditions in which the path of the radiation has unit length

Word History and Origins

Origin of transmissivity¹

First recorded in 1910–15; transmiss(ion) + -ive + -ity