Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
pair formation | Yes | No | No | No |
natural process | Yes | No | No | No |
pair formation (noun) | natural process (noun) |
---|---|
the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus | a process existing in or produced by nature (rather than by the intent of human beings) |