As an initialism sem
is scanning electron microscope.
As a noun mem is
master of engineering management.
sem
English
Noun
Anagrams
*
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mem
English
Alternative forms
* meem
* mim
Noun
(
en noun)
The thirteenth letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others).
Anagrams
*