opalescence – מילון אנגלי-אנגלי
opalescence
n.
state of being opalescent, milky iridescence
Opalescence
Opalescence is a type of
dichroism seen in highly
dispersed systems with little
opacity. The material appears yellowish-red in transmitted light and blue in the scattered light perpendicular to the transmitted light. The phenomenon is named after the appearance of
opals and is an example of the
Tyndall effect.
opalescence
Noun
1. the visual property of something having a milky brightness
(synonym) iridescence
(hypernym) brightness
(derivation) opalesce
opalescence
nf.
opalescence, state of being opalescent, milky iridescence
Opalescence
(n.)
A reflection of a milky or pearly light from the interior of a mineral, as in the moonstone; the state or quality of being opalescent.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
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