emission theory
A discredited scientific theory, once considered an alternative to special relativity,…A discredited scientific theory, once considered an alternative to special relativity, proposing that light is emitted at speed c relative to its source instead of applying the invariance postulate.
Meaning
1 senses(uncountable)A discredited scientific theory, once considered an alternative to special relativity, proposing that light is emitted at speed c relative to its source instead of applying the invariance postulate.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable