Definition of clonidine
: an antihypertensive drug C9H9Cl2N3 used especially to treat essential hypertension, to prevent migraine headache, and to diminish opioid and nicotine withdrawal symptoms
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Origin and Etymology of clonidine
chlor- + aniline + imide + 2-ine
First Known Use: 1969
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Britannica.com: Encyclopedia article about clonidine
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