Noun
monolingualism (countable and uncountable, plural monolingualisms)
The condition of being monolingual; the ability to speak only a single language.
Four of Chiapas' indigenous languages Tzeltal, Tzotzil, Tojolabal and Chol are high-vitality languages, meaning that a high percentage of these ethnicities speak the language and that there is a high rate of monolingualism in it. Source: Internet
But with the ideology that made one people, one state, and one language the most desirable political arrangement, monolingualism started to spread throughout the world. Source: Internet