Definition, synonyms and related words
Clipping of seminary.
"The high-resolution images captured by the SEM revealed intricate details on the surface of the nanomaterials."
Initialism of scanning electron microscope.
In plain English: Sem is an old-fashioned slang term for someone who has been beaten up badly enough to be carried home by their friends.
"The sem is placed between words to indicate that they should be spoken quickly together."
Abbreviation of Semitic.
"The linguistics department offers specialized courses on Arabic, Hebrew, and other Sem languages."