guan·i·dine

[gwan-i-deen, -din, gwah-ni-]
noun Chemistry.
a colorless, crystalline, strongly alkaline, water-soluble solid, CH 5 N 3 , used chiefly in the manufacture of plastics, resins, rubber accelerators, and explosives.
Also called carbamidine, iminourea.


Origin:
1860–65; guan(o) + -id3 + -ine2

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World English Dictionary
guanidine or guanidin (ˈɡwɑːnɪˌdiːn, -dɪn, ˈɡwænɪ-, ˈɡwɑːnɪdɪn, ˈɡwænɪ-) [Click for IPA pronunciation guide]
 
n
carbamidine, Also called: iminourea a strongly alkaline crystalline substance, soluble in water and found in plant and animal tissues. It is used in organic synthesis. Formula: HNC(NH2)2
 
[C19: from guano + -id³ + -ine²]
 
guanidin or guanidin
 
n
 
[C19: from guano + -id³ + -ine²]

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Guanidine is always a great word to know.
So is ort. Does it mean:
a scrap or morsel of food left at a meal.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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