axion

Etymology

Named by analogy to axiom. Hypothetical particle in physics.

Etymology

From axiom. Named by analogy.

Domain

Physics. Not logic.

Origin

Physics. Named 1978 by analogy to axiom.

Meaning

Hypothetical particle. Physics term, not a logical proposition.

Earliest use

First attested 1978 (OED).

Definition

Hypothetical particle in physics. Named by analogy to axiom. Physics term. Named by analogy, not a logical proposition.