There are multiple definitions:

1. optical character recognition / reader(English)

   • a common method of digitizing printed texts so that they can be electronically edited, searched, stored more compactly, displayed online, and used in machine processes such as cognitive computing, machine translation, (extracted) text-to-speech, key data and text mining. OCR is a field of research in pattern recognition
   • Data exchange, Machine learning
   • https://www.ibm…er-recognition/

2. Office of Civil Rights(English)

   • a division of HHS
   • HHS
   • Organizations (governmental)

3. oral contraceptive pill(English)

   • Gynecology, Woman /female

4. oxygen consumption rate(English)

   • αMHC, AMPK, ATCC, β‐OHB, BDH1, CD36, cKO, CoA, GLUT4, LVM, MYH, OCR, OXCT1, PPARα, MVO2, CD36, EC, EL, EPAS1, HSS, LIPG, AAV, ALN, ATP, Ca2+, DWORF, HF, LOSS, LSS, MLP, OSI, PAEC, PAS, PCSK9, PDH, SERCA2, SLN, SR, TAC, TAWSS, ACM, DCM, EMRE, LV, m-AAA, MCU, MICU, mtCa2+, mtCU, NCLX, PKA, RV
   • Metabolism, Mitochondrion, Atherosclerosis /atherogenic, Endothelium, Epigenetics, Oxygen, Cardiology, Aging
   • https://doi.org…003-020-01408-z
   • https://doi.org…saha.123.324054
   • https://doi.org…SAHA.125.326550
   • https://doi.org…saha.125.326221
   • https://doi.org…JAHA.125.042508

5. ossicular chain reconstruction(English)

   • ABG, CWD, PORP, TCM, Ti-PORP, Ti-TORP, TORP
   • ENT, Prosthetics
   • https://doi.org…52/tao.2015.775