(computer security) An attempt to subvert security by recording legitimate communications and repeating them to try to impersonate a valid user.

plural of replacement

present participle of replace

Third-person singular simple present indicative form of replace

The condition of being replaceable

(rugby) A temporary substitution for a visibly bleeding player who must leave the field of play for first-aid treatment.

plural of blood replacement

(video games) The entertainment value obtained by playing a computer game more than once; replayability.

A replacement or substitute. / One who replaces something.

simple past tense and past participle of replant