transmittance

[ trans-mit-ns, tranz- ]

noun

1. Physics. the ratio of the radiant flux transmitted through and emerging from a body to the total flux incident on it: equivalent to one minus the absorptance.

transmittance

/ trænzˈmɪtəns /

noun

1. the act of transmitting
2. See absorptance, reflectance
   Also calledtransmission factor physics a measure of the ability of anything to transmit radiation, equal to the ratio of the transmitted flux to the incident flux; the reciprocal of the opacity. For a plate of material the ratio of the flux leaving the entry surface to that reaching the exit surface is the internal transmittance τ Compare reflectance absorptance

Other Words From

• nontrans·mittance noun

Word History and Origins

Origin of transmittance¹

First recorded in 1850–55; transmit + -ance

Example Sentences

Music fills all which contains life, and uses all materials for its transmittance.

From Project Gutenberg

Related Words

• change
• flow
• journey
• movement
• passing
• progress
• transfer
• transition
• trip