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bitter principle
noun
, Chemistry.
- any of several hundred natural compounds, usually of vegetable origin, having a bitter taste, and not admitting of any chemical classification.
bitter principle
noun
- any of various bitter-tasting substances, such as aloin, usually extracted from plants
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Word History and Origins
Origin of bitter principle1
First recorded in 1930–35
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Example Sentences
The crystallisable bitter principle of asarabacca, noticed above.
From Project Gutenberg
The root-bark of E. atropurpureus is the source of euonymin, a bitter principle with a powerful stimulating effect on the liver.
From Project Gutenberg
It may be purified from its bitter principle by a little cold solution of potassa.
From Project Gutenberg
Unhopped ale, having no bitter principle, would easily run into acetous fermentation.
From Project Gutenberg
Aletris, or unicorn root (Aletris farinosa), contains a bitter principle and starch.
From Project Gutenberg
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