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Meaning of MSER | Babel Free

Noun CEFR B1

Definitions

A person with multiple sclerosis.
informal
An extended-release formulation of morphine sulfate.
uncountable

CEFR level

B1

Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.

See also

MSF MSFC MSFR MSFT MSG MSG symptom complex