MA

astr. abbr.

Mass Analyzer

com. abbr.

Main Amplifier

electr. abbr.

Milliammeter

electr. abbr.

Multi-channel Analyser

lun. sc. abbr.

Mass Analyzer

math. abbr.

Moving Average

metal. abbr.

Matched Angles

non-met. mat. abbr.

Methyl Acrylate

acronym

Massachusetts (US state postal designation)