1. A linguistic process in which a front vowel or a vowel that is articulated further forward in the mouth replaces a back vowel or a vowel articulated further back
Front reduction is a phonetic change observed in some dialects where back vowels shift toward the front of the mouth.
A redução frontal é uma mudança fonética observada em alguns dialetos onde as vogais posteriores se deslocam para a frente da boca.
2. In dentistry and orthodontics, the reduction or minimization of the front teeth or anterior dental structures
The orthodontist recommended front reduction to correct the patient's overbite.
O ortodontista recomendou a redução frontal para corrigir a sobremordida do paciente.