WordReference Random House Unabridged Dictionary of American English © 2026
Sem  (sem),USA pronunciation n. [Douay Bible.]
  1. BibleShem.

SEM, [Optics.]
  1. Opticsscanning electron microscope.

Sem., 
    1. Seminary.
    2. Semitic.
    Also, Sem 
sem., 
  1. semicolon.

'sem.' also found in these entries (note: many are not synonyms or translations):

Forum discussions with the word(s) "sem." in the title:


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