a plosive sound such as /t/ or /d/ that is immediately followed by a fricative sound made in the same part of the mouth, such as s or V. The word 'church', for example, contains the affricate tF. (past participle of affricare , from ad- + fricare )
A combination of a stop, or explosive, with an immediately following fricative or spirant of corresponding organic position, as pf in german Pfeffer, pepper, z (= ts) in German Zeit, time