Meaning

1 senses
  1. (uncountable)The discredited theory that the speed of light has decreased over time, proposed by creationists in order to support the belief that the universe is a few thousand years old even though there are objects visible today that are billions of light years away (whereas a constant speed of light would indicate that the universe is billions of years old and so contradict this belief).

Origin

From c (“the symbol used in physics for the speed of light”) + decay.

From c (“the symbol used in physics for the speed of light”) + decay.

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Word family

1 related words

See also

neighbours in the dictionary
c-decay — meaning, examples, forms, synonyms | Krumeto