photon

nounA2

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Danh từ

noun

Plural noun:

photons

1.
(particle)(particle physics) The quantum of light and other electromagnetic energy, regarded as a discrete particle having zero rest mass, no electric charge, and an indefinitely long lifetime. It is a gauge boson.

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Cùng gốc / liên quan

biophotonbiphotondiphotongraviphotonmonophotonmultiphotonphotinosuperphotontriphotonantiphotonnotophphotonicphotonicsdual photon absorptiometrylast photon orbitphoton beltphoton circlephoton sailphoton spherephoton tunnelling

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Nguồn gốc từ

From photo- + -on. Leonard Troland, 1916 as a unit of light hitting the retina, and later popularized in a more modern sense by Gilbert N. Lewis, with the term gaining acceptance in the physics community by the late 1920s.