amoxicillin

[am-ok-suh-sil-in, uh-mok-]
noun Pharmacology.
a semisynthetic penicillin, C 18 H 19 N 3 O 5 S, taken orally as a broad-spectrum antibiotic.

Origin:
1970–75; perhaps am(ino-hydr)ox(yphenyl) part of its chemical name + (pen)icillin

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American Heritage
Medical Dictionary

amoxicillin a·mox·i·cil·lin (ə-mŏk'sĭ-sĭl'ĭn)
n.
A derivative of ampicillin that is effective against a broad range of gram-negative and gram-positive bacteria.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
amoxicillin   (ə-mŏk'sĭ-sĭl'ĭn)  Pronunciation Key 
An antibiotic derived from penicillin, having an antibacterial spectrum of action similar to that of ampicillin. Chemical formula: C16H19N3O5.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Amoxicillin is a penicillin antibiotic and the drug of first choice.
It is less expensive than amoxicillin and particularly useful for patients with mild sinusitis who are allergic to penicillin.
For example, if you are allergic to penicillin, you should also avoid amoxicillin or ampicillin.
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