What does MS mean?

Answer 1

Mint state; i.e. the coin shows no blemishes, wear, etc. It's just as it came from the press.

It can also mean a variety of other things depending on the subject in question.

MS can mean Microsoft for instance, when written in lower case can mean manuscript when referring to writing and printing.

Most abbreviations have several meanings.

Answer 2

MS in computer language stands for Microsoft. MS in the language of Health stands for Multiple Sclerosis. Ms (pronounced Miz) is the female equvalent of Mr. It designates a female (usually an adult) who could be married or unmarried. It came into popular use over the last 30 years to prevent discrimination against women because of their marital status.