This is the 11322nd most frequent French word.
raréfient
"Raréfient" means "make rare or sparse."
In this sentence, 'raréfient' is used to describe the diminishing presence or scarcity of animals due to deforestation.
Avec la déforestation, les animaux se raréfient.
With deforestation, animals become scarce.
Here, 'raréfient' focuses on the increasing scarcity of natural resources because of human factors like overpopulation.
Les ressources naturelles se raréfient à cause de la surpopulation.
Natural resources are becoming scarce due to overpopulation.
This context uses 'raréfient' to indicate the reduced availability of medical treatments in certain areas.