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
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.
A head scan looks primarily at the brain and a sinus scan looks only at the sinuses in the face region.
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.