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Webster 1913 Edition

Heliac

He′li-ac

,

Adj.

Heliacal.

Definition 2025

heliac

heliac

English

Adjective

heliac ‎(not comparable)

Alternative form of heliacal

Etymology 2

Noun

heliac ‎(plural heliacs)

A stellarator in which the magnetic axis (and plasma) follows a helical path to form a toroidal helix rather than a simple ring shape.