OD

• O.D. (Doctor of Optometry)

• IPA^(key): /oʊdiː/

• Audio (AU)

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OD (uncountable)

1. Abbreviation of overdose.
2. oculus dexter, the right eye
3. (professional degree) Doctor of Optometry
4. Abbreviation of overdrive.
5. Abbreviation of overdraft.
6. Initialism of optical density.
7. (of a pipe or tube) Initialism of outer diameter.
8. (Australia, on road signs) Initialism of over dimension, used on route numbers for large vehicles, and normally followed by a numeral, eg. OD5.
9. (management) Initialism of Organization development.

• (right eye): OS (oculus sinister, the left eye), OU (oculus uterque, each eye or both eyes; also explained as oculi uterque, both eyes)

OD (third-person singular simple present ODs or OD's, present participle ODing or OD'ing, past participle ODed or OD'ed or OD'd)

1. (informal) To take an overdose of a drug, to overdose.
   • 1991, Stephen Fry, The Liar, p. 26:

     ‘My brother... is at Radley, on account of my parents thinking it a bad idea to have both of us at the same school.’
     ‘On account of your being twins?’ said Adrian.
     ‘Right, on account of my mother OD-ing on fertility drugs.’

• D&O, D.O., DO, d/o, do, do.

OD

1. oculus dexter, the right eye
2. (Can we verify⁽⁺⁾ this sense?) the organ of sight; the eye

• (right eye): OS (“oculus sinister”) (left eye)