Idioms for on

Origin of on

before 900; Middle English on, an, Old English: on, in, to; cognate with Dutch aan, German an, Old Norse ā, Gothic ana; akin to Greek aná up, upon (see ana-)

WORDS THAT MAY BE CONFUSED WITH on

on on to onto

Definition for on (2 of 5)

On
[ on ]
/ ɒn /

noun

Biblical name of Heliopolis.

Definition for on (3 of 5)

ON

Also ON., O.N. Old Norse.
Ontario, Canada (approved for postal use).

Definition for on (4 of 5)

-on1

a suffix used in the names of subatomic particles (gluon; meson; neutron), quanta (graviton), and other minimal entities or components (cistron; codon; magneton; photon).

Origin of -on

1
probably extracted from ion; cf. proton

Definition for on (5 of 5)

-on2

a suffix used in the naming of inert gaseous elements: neon.

Origin of -on

2
Greek -on, neuter of -os adj. ending
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for on (1 of 4)

Word Origin for on

Old English an, on; related to Old Saxon an, Old High German, Gothic ana

British Dictionary definitions for on (2 of 4)

On
/ (ɒn) /

noun

the ancient Egyptian and biblical name for Heliopolis

British Dictionary definitions for on (3 of 4)

ON

abbreviation for

Old Norse
(esp in postal addresses) Ontario

British Dictionary definitions for on (4 of 4)

-on

suffix forming nouns

indicating a chemical substanceinterferon; parathion
(in physics) indicating an elementary particle or quantumelectron; photon
(in chemistry) indicating an inert gasneon; radon
(in biochemistry) a molecular unitcodon; operon

Word Origin for -on

from ion
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