1. Used to express surprise;
   "od, it was half the price last time I was here!"";
   - bejeezus [N. Amer, informal], Christ [informal], Christmas [informal], crikey [Brit, informal], cripes [informal], cor [Brit, informal], crumbs [Brit, informal], gosh [informal], golly [informal], by George [informal], by Jove [informal], blimey [Brit, informal], gorblimey [Brit, informal], cor blimey [Brit, informal], my [informal], holy cow [informal], holy mackerel [informal], holy smoke [informal], holy moley [informal], holy moly [informal], fancy [Brit, informal], good grief [informal], goodness [informal], goodness me [informal], Gordon Bennett [informal], gracious [informal], gracious me [informal], fancy that [informal], gawd [informal], god, my word, oh, O, ah, oh boy [informal], jeez [informal], geez [informal], strewth [Brit, informal], struth [Brit, informal], yikes [informal], I'll be blowed [Brit, informal], blow me [Brit, informal], heck [informal], blooming heck [Brit, informal], jeepers [informal], jeepers creepers [informal], Lord [informal], Lordy [informal], marry [archaic], well I never [informal], heavens [informal], good heavens [informal], my goodness [informal], Jesus [informal], bejesus [N. Amer, informal]

1. A force or natural power supposed by Reichenbach and others to be manifest in magnets, heat, light, chemical or vital action, etc.
   "19th-century pseudoscientists claimed to detect od emanating from living beings";
   - odyle [archaic]

1. The right eye
   "The ophthalmologist noted that the OD had better vision than the left eye";
   - oculus dexter
    
2. A doctor's degree in optometry
   - Doctor of Optometry

1. Take too large a dose of a drug
   "He o.d.'d on painkillers and was rushed to the hospital";
   - overdose

Derived forms: ods, ODs

Type of: doctorate, doctor's degree, dose, drug, eye, oculus [rare], optic

Encyclopedia: Od