contradictio in adjecto; adjective-noun contradiction
A rhetorical figure where an adjective contradicts the noun it modifies, e.g. 'wooden iron' or 'hot ice'. Used in literary analysis and linguistics.
「冷たい炎」は形容矛盾の一例だ。
'Cold flame' is an example of contradictio in adjecto.
In rhetoric, contradictio in adjecto often produces a paradoxical effect.