Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun   
Thyroxine : ahormone produced by thethyroid gland. 
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells
 
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From tetra- + iodo- + thyronine.
			
		
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Examples
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The two most important ones are tetraiodothyronine
 
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