Definitions

1. verb

to cause two things to be completely destroyed or eliminated, often simultaneously or together.

“The two stars will coannihilate in a spectacular supernova explosion.”

2. verb

to cause the simultaneous destruction or elimination of two opposing or conflicting forces, ideas, or entities.

“The new policy will coannihilate the old bureaucratic red tape and promote efficiency.”

3. noun

the act or process of causing two things to be completely destroyed or eliminated, often simultaneously or together.

“The coannihilation of the two galaxies was a rare and awe-inspiring event in the cosmos.”