trans·mit·tance (tr ns-m t ns, trnz-)n. 1. A transmission. 2. Physics The ratio of the radiant energy transmitted to the total radiant energy incident on a given body. |
transmittance [trænzˈmɪtəns]
n
1. the act of transmitting
2. (Physics / General Physics) Also called transmission 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. Symbol τ Compare reflectance, absorptance
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  transmittance - the fraction of radiant energy that passes through a substancecoefficient - a constant number that serves as a measure of some property or characteristic |
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