ambiance

noun

Etymology: Unadapted borrowing from French ambiance.

1. A particular mood or atmosphere of an environment or surrounding influence.

   “The pressures […] on a post-pubescent youngster, still half-child-half-man/woman, are difficult enough for someone whose sexuality fits into the accepted ambiance, i.e., heterosexuality.”

2. Of a three-dimensional model, a secondary color of a polygon that becomes more pronounced with shading.