[ri'tɔ:ʃәn]
n.
报复行为

Retorsion \Re*tor"sion\, n.
Same as {Retortion}.

Retortion \Re*tor"tion\, n. [Cf. F. r['e]torsion. See {Retort},
v. t.]
1. Act of retorting or throwing back; reflection or turning
back. [Written also {retorsion}.]

It was, however, necessary to possess some single
term expressive of this intellectual retortion.
--Sir W.
Hamilton.

2. (Law) Retaliation. --Wharton.