gemination (phenomenon of a consonant being articulated for a longer duration of time) · shadda, tashdid (gemination diacritic in Arabic script) · intensification, hardening, strengthening
resonance (increase in the strength or duration of a musical tone produced by sympathetic vibration) · reverberation (echo, or a series of overlapping echos) · good audibility
çekim: çoğul rezonanse · tamlayan rezonansu
köken: Borrowed from French résonance, from Latin resonantia, from resonō.