The meaning of the Acronym MSEC is...

MSEC is

• Millisecond

More Meanings For MSEC:

• Mineral Science And Engineering Complex
• Mantech Systems Engineering Corporation
• Montana State Employers Council
• Massachusetts Sports Entertainment Commission
• Mountain States Employers Council
• Millisecond
• Millisecond (ms preferred)
• Master Separation Events Controller

MSEC is also in:

• Military
• NASA
• Unfiled
• Universities