any of various bitter-tasting substances, such as aloin, usually extracted from plants
bitter principle in American English
any of various bitter substances found in plants, as lupulin, aloin, etc.
bitter principle in American English
noun
Chemistry
any of several hundred natural compounds, usually of vegetable origin, having a bitter taste, and not admitting of any chemical classification
Word origin
[1930–35]This word is first recorded in the period 1930–35. Other words that entered Englishat around the same time include: DNA, logical positivism, old school tie, saddle stitch, technical foul
Examples of 'bitter principle' in a sentence
bitter principle
The correlation between the bitter principle index and quantitative content of sesquiterpene lactones was ascertained.
E. Błoszyk, B. Drożdż 2015, 'Sesquiterpene lactones. Part XXII. Sesquiterpene lactones in Species of the GenusChrysanthemum', Acta Societatis Botanicorum Poloniaehttps://pbsociety.org.pl/journals/index.php/asbp/article/view/4858. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)