As initialisms the difference between mcm and mom
is that mcm is millions of cubic meters while mom is (hardware|software).
mcm
English
Initialism
(Initialism)
(head)
millions of cubic meters
Anagrams
* mom
English
Alternative forms
* mam
* Mom
* mum, Mum (qualifier)
Noun
(
en noun)
(US, West Midlands, colloquial, familiar) mother, momma.
Usage notes
* "Mom" is capitalized when used as a proper noun, but not when used as a common noun:
*: I think Mom likes my new car.
*: I think my mom will like you.
See also
* Mother’s Day
*