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Definition of collider

collider

/kəˈlaɪ.dɚ/
col · lid · er

Plural:colliders
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collider Lexical Profile

collider Game Scores & Validity

• noun

1

A type of particle accelerator in which two directed beams of subatomic particles are made to collide head-on at high speeds to study the resulting interactions and fundamental constituents of matter.

Example

"Physicists used the underground collider to observe rare subatomic particles created during high-energy impacts."


2

In statistics and causal inference, a variable that is causally influenced by two or more other variables, which can introduce spurious associations if conditioned upon in an analysis.

Example

"Controlling for a collider in a regression model can inadvertently open a backdoor path and bias the estimated causal effect."


3

A person or object that collides with another.

Example

"The insurance investigator examined the skid marks to determine which vehicle was the primary collider in the intersection."

Synonyms
View all synonyms for collider

• Rhymes for collider

Word Origin & Etymology

Formed in English from the verb 'collide' (from Latin 'collidere', meaning 'to strike or clash together') plus the agentive suffix '-er'. The specialized physics sense referring to a particle accelerator emerged in the mid-20th century.

Cite this Entry


Wordmom. (2026). Definition of Collider. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/collider
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