Heavy Ion Definition

noun

The nucleus of a heavy element, such as gold. When such nuclei are caused to collide at high velocities, new elements are created.

American Heritage

A charged microscopic particle that forms when an ion attaches to a dust mote or similar object.

American Heritage

(nuclear physics) An ionized atom that is usually heavier than helium.

Wiktionary

Other Word Forms of Heavy Ion

Singular:

heavy ion

Plural:

heavy-ions

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