The process of bringing something to a mass audience. / (grammar) Conversion of a count noun to a mass noun.

A principal mountain mass. / A block of the earth's crust bounded by faults or flexures and displaced as a unit without internal change; normally consists of gneisses and schists

plural of massif

An elevated area of south-central France.

a large mountain massif in Antarctica, containing the highest point of Antarctica

Urrieles Massif (a massif in Picos de Europa, Cantabrian Mountains, Northern Spain, Spain) / Massif Central (a highlands in Southern France, France)