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ON
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I. (adjective)
Sense 1
Meaning:
In operation or operational
Example:
the switch is in the on position
Classified under:
Similar:
connected (plugged in)
Antonym:
off (not in operation or operational)
Sense 2
Meaning:
(of events) planned or scheduled
Example:
we have nothing on for Friday night
Classified under:
Antonym:
off ((of events) no longer planned or scheduled)
II. (adverb)
Sense 1
Meaning:
With a forward motion
Example:
march on
Synonyms:
along; on
Classified under:
Sense 2
Meaning:
Indicates continuity or persistence or concentration
Example:
shall I read on?
Classified under:
Sense 3
Meaning:
In a state required for something to function or be effective
Example:
get a load on
Classified under:
Adverbs
Context examples:
A chemotherapy regimen consisting of doxorubucin hydrochloride (Adriamycin) and cyclophosphamide, followed by paclitaxel (Taxol), administered on either a dose-dense or sequential schedule and used as an adjuvant treatment for breast cancer.
(AC-T regimen, NCI Thesaurus)
I found my smattering of German very useful here; indeed, I don't know how I should be able to get on without it.
(Dracula, by Bram Stoker)
This was a signal for him to strap on his pack and stumble onward, he knew not where.
(Love of Life and Other Stories, by Jack London)
Six years have passed since I resolved on my present undertaking.
(Frankenstein, by Mary Wollstonecraft Shelley)
It is also expressed on the surface of most melanomas.
(Melan-A, NCI Thesaurus)
It had never occurred to her, on the present occasion, but as a thing to be carefully avoided.
(Mansfield Park, by Jane Austen)
As an antiestrogen, this agent may inhibit the growth-stimulating effects of estrogen on estrogen-sensitive tumor cells.
(Medroxyprogesterone, NCI Thesaurus)
Yes, sir, I was at the play on Tuesday.
(Northanger Abbey, by Jane Austen)
It also analyzes the impact of the psychological conditions resulting from our environment on our health.
(Medical Sociology, NCI Thesaurus)
The date on which the medical history event begins.
(Medical History Start Date, NCI Thesaurus)
