Share this entry

tomatine Line breaks: toma|tine
Pronunciation: /ˈtɒmətiːn/
(also tomatin ˈtɒmətɪn)

Definition of tomatine in English:


[mass noun] Chemistry
A compound of the steroid glycoside class, present in the stems and leaves of the tomato and related plants.
Example sentences
  • In N. crassa, erg-3 mutants display an increased sensitivity to isoflavonoids such as pisatin, maackiain, and biochanin A and increased resistance to the steroidal glycoside tomatine.
  • Two common examples are tomatine from tomato and nicotine from tobacco.
  • Tomatine levels in this variety are compatible to tomatine levels in commercial tomato varieties.


1940s: from tomato + -ine4.

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day whippersnapper
Pronunciation: ˈwɪpəsnapə
a young, inexperienced person considered presumptuous or overconfident...