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Medical Term:

locant

Pronunciation: lo'kant

Definition: A number or letter preceding a substituent name in the name of a complex chemical that specifies the position (location) of the substituent on the parent molecule, 5 in 5-methyluridine, S in S-adenosylmethionine.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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