Affricative in a sentence as a noun

What that definition is saying is that an “affricative” is a sound that combines two of these made with the tongue in the same position.

The transcription /d/ sure makes it look like it's pronounced, but if IPA used a single character to transcribe the affricative, the 'd' would look like it disappeared in French too.

Affricative definitions

noun

a composite speech sound consisting of a stop and a fricative articulated at the same point (as `ch' in `chair' and `j' in `joy')

See also: affricate