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od

[od, ohd]

|

noun

a hypothetical force formerly held to pervade all nature and to manifest itself in magnetism, mesmerism, chemical action, etc.

Also odyl, odyle.

Origin of od

First recorded in 1840–50; arbitrary name coined by Karl von Reichenbach (1788–1869), German scientist

od

on demand.

outside diameter.

outside dimensions.

Od

or 'Od, Odd

[od]

interjection Archaic.

a shortened form of “God” (used in euphemistically altered oaths).

Origin of Od

First recorded in 1590–1600

OD

[oh-dee]

noun, plural ODs or OD's.

an overdose of a drug, especially a fatal one.

a person who has taken an overdose of a drug, especially one who has become seriously ill or has died from such an overdose.

verb (used without object), OD'd or ODed or OD'ed, OD'ing or OD·ing.

to take an overdose of a drug.

to die from an an overdose of a drug.

to have or experience an excessive amount or degree of something.

Origin of OD

First recorded in 1955–60

OD

officer of the day.

Old Dutch.

Ordnance Department.

outside diameter.

OD.

Old Dutch.

o.d.

¹

(in prescriptions) the right eye.

Origin of o.d.

¹

From the Latin word oculus dexter

o.d.

²

olive drab.

on demand.

outside diameter.

O.D.

¹

(in prescriptions) the right eye.

Origin of O.D.

¹

From the Latin word oculus dexter

O.D.

²

Doctor of Optometry.

officer of the day.

Old Dutch.

(of a military uniform) olive drab.

ordinary seaman.

outside diameter.

overdrawn.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for od

gown, regalia, attire, garb, costume, suit, robe, dress, khaki, disintegrate, crumble, wither, cease, disappear, vanish, rot, succumb, habit, regimentals, stripes

Examples from the Web for od

Historical Examples of od

To what land was he taken, that his life might be saved from King Hĕr´od?
Hurlbut's Bible Lessons
Rev. Jesse Lyman Hurlbut
Thomas brought bedding from the OD bunk and made me comfortable on the floor.
Greylorn
John Keith Laumer
I was resting on the OD bunk, and Clay was standing beside me.
Greylorn
John Keith Laumer
Examples of imitation (which is commonest in Book i.) are: Od.
The Student's Companion to Latin Authors
George Middleton
Tibullus was on friendly terms with Horace, who addressed to him Od.
The Student's Companion to Latin Authors
George Middleton

British Dictionary definitions for od

od

odyl or odyle (ˈɒdɪl)

noun

archaic a hypothetical force formerly thought to be responsible for many natural phenomena, such as magnetism, light, and hypnotism

Derived Formsodic, adjective

Word Origin for od

C19: coined arbitrarily by Baron Karl von Reichenbach (1788–1869), German scientist

Od

'Od or Odd

noun

euphemistic (used in mild oaths) an archaic word for God

OD

¹

noun

an overdose of a drug

verb OD's, OD'ing or OD'd

(intr) to take an overdose of a drug

Word Origin for OD

C20: from o (ver) d (ose)

OD

²

abbreviation for

Officer of the Day

Old Dutch

ordnance datum

outside diameter

Also: o.d. military olive drab

Also: O/D banking

on demand
overdraft
overdrawn

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for od

O.D.

abbreviation of overdose, attested from 1960.

Online Etymology Dictionary, © 2010 Douglas Harper

od in Medicine

OD

abbr.

Doctor of Optometry

oculus dexter (right eye)

overdose

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.