negative ice meaning

Definition of negative ice in English Dictionary

NounPREnega-SUF-ice
1. (curling) A shot in which the player curls the stone in the opposite direction in which the stone is expected to curve, due to significant defects in flatness of the ice surface.

Source: Wiktionary

Grammatically, this idiom "negative ice" is a noun, more specifically, a nouns with unknown or uncertain plural.

Definiteness: Level 1

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Definite ➨ Versatile