Old mainframes Synonyms

We can't find synonyms for the phrase "Old mainframes", but we have synonyms for terms, you can combine them.

Old Synonyms

OM abbreviation

OM is an abbreviation for Old Mainframes

What does OM stand for?

OM stands for "Old Mainframes"

Definitions for Old

(adjective) being of advanced years and especially past middle age
(adjective) dating or surviving from the distant past
(adjective) having been such at some previous time