1
: cathodal opening contraction
2
: combination oral contraceptive; combined oral contraceptive
And because it's a combined oral contraceptive (COC), meaning that it contains progestin and estrogen, it's not recommended for nursing moms …Caitlin Stine, Baby Talk

Dictionary Entries Near COC

Cite this Entry

“COC.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/COC. Accessed 18 Apr. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!