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The fraction of the total light incident on a reflecting surface, especially a celestial body, which is reflected back in all directions. alloy A chemical mixture of a metal with one or more other metals or other elements. alpha decay. Also α-decay.
This list may not reflect recent changes. Lists of English words; A. Academic Word List; ... List of English back-formations;
The word iridescence is derived in part from the Greek word ἶρις îris (gen. ἴριδος íridos), meaning rainbow, and is combined with the Latin suffix -escent, meaning "having a tendency toward". [1] Iris in turn derives from the goddess Iris of Greek mythology, who is the personification of the rainbow and acted as a messenger of the ...
A symmetrical urn and its mirror image An example of how mirror flips text front to back rather than left to right. This cardboard word is reflected properly without being flipped. The concept of reflection can be extended to three-dimensional objects, including the inside parts, even if they are not transparent. The term then relates to ...
Fig. 1: Underwater plants in a fish tank, and their inverted images (top) formed by total internal reflection in the water–air surface. In physics, total internal reflection (TIR) is the phenomenon in which waves arriving at the interface (boundary) from one medium to another (e.g., from water to air) are not refracted into the second ("external") medium, but completely reflected back into ...
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L e,Ω r is the radiance reflected by that surface; L e,Ω i is the radiance received by that surface. This depends on both the reflected direction and the incoming direction. In other words, it has a value for every combination of incoming and outgoing directions. It is related to the bidirectional reflectance distribution function and its ...
Please help update this article to reflect recent events or newly available information. (September 2024) This is an alphabetical list of notable technology terms. It ...