OD

Abbreviation of Latin oculus dexter.

OD

1. (optometry) the right eye

• O.D.

• OS (“left eye”)

• IPA^(key): /ˌoʊˈdiː/

• Audio (AU)

  (file)

• Rhymes: -iː

OD (countable and uncountable, plural ODs)

1. (informal) Initialism of overdose.

   Synonym: O.D.

2. (professional degree) Initialism of Doctor of Optometry; also O.D.
3. Initialism of overdrive.
4. Initialism of overdraft.
5. Initialism of optical density.
6. (of a pipe or tube) Initialism of outer diameter.
7. (military) Initialism of olive drab (“clothing of an olive drab colour, used for military uniforms”).
   • 1964 [1929], William Faulkner, Sartoris (The Collected Works of William Faulkner), London: Chatto & Windus, page 22:

     “He went to’ds de back, ma’am.” The negro opened the door and slid his legs, clad in army O.D. and a pair of linoleum putties, to the ground. “‘I’ll go git ’im.”’

8. (Australia, on road signs) Initialism of over dimension, used on route numbers for large vehicles, and normally followed by a numeral, e.g. OD5.
9. (management) Initialism of organization development.

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

1. (informal) To take an overdose of a drug, to overdose.
   • 1979, Hank Williams Jr. (lyrics and music), “O.D.'d in Denver”, in Whiskey Bent and Hell Bound:

     She told me she'd love me and I told her I'd do the same / Then I OD'd in Denver and I just can't remember her name

   • 1991, Stephen Fry, The Liar, London: Heinemann, →OCLC, page 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.