Meanings
CM1
plural CMs
- IndiaPakistanabbreviationcountableinitialismuncountableInitialism of chief minister.
- CanadacountableuncountableA member of the Order of Canada.
- JapanabbreviationcountableinitialismuncountableInitialism of commercial message (“commercial video ad”).
- abbreviationcountableinitialismuncountableboard gamesInitialism of Candidate Master.
- abbreviationcountableinitialismuncountablespace flightInitialism of command module.
- abbreviationcountableinitialismuncountablecomputingInitialism of cryptographic module.
- abbreviationinitialismuncountableengineeringInitialism of configuration management.
- abbreviationcountableinitialismuncountablegovernmentInitialism of cruise missile.
- abbreviationcountableinitialismuncountablering theoryInitialism of Cohen-Macaulay.
- abbreviationarchaiccountableinitialismuncountableentertainmentInitialism of common meter.
- abbreviationinitialismuncountableInitialism of child maintenance.
- abbreviationcountableinitialismuncountableTwitterInitialism of community manager.
- abbreviationinitialismuncountablemedicineInitialism of College of Medicine.
- USabbreviationinitialismuncountablespace flightInitialism of Command Module (“Apollo Command Module”).
cM2
- abbreviationAbbreviation of centimorgan.
Synonyms & antonyms
nouna radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei
nouna metric unit of length equal to one hundredth of a meter
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Englishcommercial
- JapaneseCM“commercial video ad”
- EnglishCM
Sense "commercial" is a borrowing from Japanese CM (CM, “commercial video ad”), from English commercial + message.
More words from Japanese, English
Full word history & related roots →Cite this entry
CM. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/CM
“CM.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/CM. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “CM,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/CM.
Source: CM on Wiktionary, CC BY-SA 4.0.