od
[ od, ohd ]
/ ɒd, oʊd /
noun
a hypothetical force formerly held to pervade all nature and to manifest itself in magnetism, mesmerism, chemical action, etc.
Words nearby od
Also odyl, odyle.
Origin of od
First recorded in 1840–50; arbitrary name coined by Karl von Reichenbach (1788–1869), German scientist
Definition for od (2 of 10)
Definition for od (3 of 10)
Od
or 'Od, Odd
[ od ]
/ ɒd /
interjection Archaic.
a shortened form of “God” (used in euphemistically altered oaths).
Origin of Od
First recorded in 1590–1600
Definition for od (4 of 10)
OD
[ oh-dee ]
/ ˈoʊˈdi /
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
Definition for od (5 of 10)
Definition for od (6 of 10)
OD.
Old Dutch.
Definition for od (7 of 10)
o.d.1
(in prescriptions) the right eye.
Origin of o.d.
1From the Latin word oculus dexter
Definition for od (8 of 10)
o.d.2
olive drab.
on demand.
outside diameter.
Definition for od (9 of 10)
O.D.1
(in prescriptions) the right eye.
Origin of O.D.
1From the Latin word oculus dexter
Definition for od (10 of 10)
O.D.2
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Examples from the Web for od
British Dictionary definitions for od (1 of 4)
od
odyl or odyle (ˈɒdɪl)
/ (ɒd, əʊd) /
noun
archaic a hypothetical force formerly thought to be responsible for many natural phenomena, such as magnetism, light, and hypnotism
Derived forms of od
odic, adjectiveWord Origin for od
C19: coined arbitrarily by Baron Karl von Reichenbach (1788–1869), German scientist
British Dictionary definitions for od (2 of 4)
British Dictionary definitions for od (3 of 4)
OD1
/ (ˌəʊˈdiː) informal /
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)
British Dictionary definitions for od (4 of 4)
OD2
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
Medical definitions for od
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.