CL – (s) Chile (ISO 3166 digram) – (i) Co-ordination Line – One Hundred and Fifty (in Roman numerals) CLA – (i) Clutterers Anonymous CLEC – (i) Competitive Local Exchange Carrier CLEMARS – (a) California Law Enforcement Mutual Aid Radio System CLI – (i) Command Line Interface/Interpreter CLIC – (p) Compact LInear Collider CLO – (i) Cornell Lab of Ornithology CLOB – (p) Character Large OBject CLOS – (i) Command to Line-Of-Sight (missile control system) CLOS – (a) Common Lisp Object System CLP – (s) Chilean peso (ISO 4217 currency code) – (i) Common [Operating/Operational] Land Picture CLPFC – (i) CentroLateral PreFrontal Cortex CLRP – (a) College Loan Repayment Program CM Cm – (s) Curium CM (s) Cameroon (FIPS 10-4 country code; ISO 3166 digram) (i) Cruise Missile (s) Nine Hundred (in Roman numerals) CMA (i) U.S. Chemical Materials Agency Country Music Association (also used to refer to the organization's annual awards) Crystal Meth Anonymous CMB – (i) Cosmic Microwave Background CMBR – (i) Cosmic Microwave Background Radiation CME – (a) Coronal Mass Ejection (usually Sun) CMHC – (i) Canada Mortgage and Housing Corporation CMIIAW – (i) Correct me if I am wrong CMIS (a) Content Management Interoperability Services Common management information service CMJ – (i) Christopher Martin-Jenkins (BBC sports commentator) CML (p) Chemical (i) Chronic Myelogenous Leukemia (formerly Chronic Myeloid Leukemia) CMLL – (i) Consejo Mundial de Lucha Libre (Spanish, "World Wrestling Council"—Mexican professional wrestling promotion) CMM – (i) Capability Maturity Model CMMC – (i) Corps Materiel Management Centre CMML (i) Chronic MyeloMonocytic Leukemia Continuous Media Markup Language CMO – (i) Civil-Military Operations CMOC – (i) Civil-Military Operations Centre CMOS (i) Canadian Meteorological and Oceanographic Society (The) Chicago Manual of Style Complementary Metal Oxide Semiconductor CMP – (i) Common [Operating/Operational] Maritime Picture CMP – (i) Canadian Military Pattern truck (World War II) CMPD (i) Chronic Myeloproliferative Disease (i) Charlotte-Mecklenburg Police Department (i) Costa Mesa Police Department CMR (s) Cameroon (ISO 3166 trigram) (i) Coaxial Main Rotors (helicopter type) CMS (i) Centers for Medicare and Medicaid Services The Chicago Manual of Style CMT – (i) Country Music Television CMU (i) Carnegie Mellon University Central Michigan University Concrete Masonry Unit CMW (i) Marconi's Wireless Telegraph Company of Canada Canadian Manufacturing Week Canadian Music Week Catherine McAuley Westmead (school in New South Wales, Australia) Chicago, Missouri and Western (Railway) Compartmented Mode Workstation Compton's Most Wanted Continuous Microwave (processing technology) Custom Maintenance Wizard