• (a.) Pertaining to or affecting the surface.
An absent or extremely weak pulse.
A·crot'ic adjective [ Greek ... an extreme, from ....] (Medicine) Pertaining to or affecting the surface. 
Type: Term Pronunciation: ă-krot′ik Definitions: 1. Marked by great weakness or absence of the pulse; pulseless.
acrotic 1. Pertaining to the absence or weakness of the pulse. 2. Pertaining to the surface or outside of certain diseases.