Facing toward another tooth. The proximal surfaces of a tooth are those that touch or are close to neighboring teeth.
Closer to the point of attachment or observation.
Closer to the speaker.
Mineralogy. Approximating, resembling, or taking the place of a fundamental crystalline form or face.
Relating to or being a local road.
Chemistry. Of or relating to the consecutive positions of substituted elements or radicals on an organic compound.
Of, belonging to, or restricted to a limited area or neighborhood; local.