παρά-κρουσις,εως,ἡ,
A. striking falsely, false note, discord, Plu. 2.826e (pl.).
2. metaph.,cheating, deception, D. 23.175 ;φενακισμὸς καὶ π. Id. 24.194 .
b. fallacy, Arist. Pol. 1263b30 , cf. SE 175b1 (pl.).
3. delirium, Hp. Prorrh. 1.19 (pl.);insanity, Id. Ep. 11 .
II. checking, τοῦ θερμοῦ
Arist. Pr. 872b29
(nisi leg.κατά-).