the difference is that scan is when your scanning some or something and skim is a thin layer of a substance on the surface of a liquid
skim and scan
Skim Milk contains less fat, they skim off the butter fat, which mack whole milk fattier.
SKIM: to go over a block of text quickly to get the main point; SCAN: to search quickly through a block of text for a word or few words
tejal
A head scan looks primarily at the brain and a sinus scan looks only at the sinuses in the face region.
The preview holds less detail than the the real scan, but allows you to see the arrangement, before committing to scan the document to a file.
skim, scan, glance at, survey, look through, leaf through
Most powdered milk is dehydrated skim milk.
D.scan; skim
1. Scan 2. skim over 3. browse
Tomes and Talismans - 1986 SOS Skim or Scan 1-10 was released on: USA: 1986
They are the same thing. A skim means just a thin finishing coat of plaster about 3mm or so thick, just enough to cover any minor imperferctions on the wall.