thereon
Americanadverb
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on or upon that or it.
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immediately after that; thereupon.
adverb
Usage
What does thereon mean? Thereon means on the thing that was just mentioned, as in The cap should be positioned above the container before being placed thereon (translation: The cap should be positioned above the container before being placed on it). Thereon is formal and is often used in legal language. It can also mean immediately after the thing just mentioned, as in When the jury is assembled, the trial should proceed thereon. The word thereupon can be used as a synonym for both senses of thereon. Example: The book is about the introduction of the printing press in Europe and the effects thereon.
Etymology
Origin of thereon
before 900; Middle English ther on, Old English thǣron. See there, on
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Thereon hang a few of his vividly colorful paintings combining abstraction and scabrous cartoon imagery.
From New York Times • May 14, 2015
Thereon Squat the three witches, pond'ring a takeoff.
From Time Magazine Archive
Thereon I suddenly released the handle, and our enemies found themselves so unexpectedly in possession, that they fell back one upon another, whilst I ran forth to the chaise.
From The Wayfarers by Snaith, J. C.
Thereon, some muttering took place on the other side of the door, to which I had my ear.
From Historical Romances: Under the Red Robe, Count Hannibal, A Gentleman of France by Weyman, Stanley J.
Thereon, Mr. Mighty-of-his-mouth cleared away his doubts by saying that it was no watchman, but a mere stick, and entered the fold with his friend.
From Tales of the Sun or Folklore of Southern India by Kingscote, Mrs. Howard
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
