1. A geometric plane or surface that does not allow light to pass through; a non-transparent flat surface
The architect specified an opaque plane for the partition wall to ensure privacy.
O arquiteto especificou um plano opaco para a parede de divisória para garantir privacidade.
2. In technical drawing and design, a flat surface that appears solid without transparency or translucency
The rendering shows an opaque plane reflecting light uniformly across its surface.
A renderização mostra um plano opaco refletindo luz uniformemente em sua superfície.