tropaeolin
See also: tropæolin
English
Alternative forms
- tropeolin
- tropæolin (obsolete)
Etymology
Tropaeolum + -in
Noun
tropaeolin (countable and uncountable, plural tropaeolins)
- Any of several orange dyes of very complex composition: tropaeolin O (acid orange 6, chrysoine resorcinol), tropaeolin OO (acid orange 5), or tropaeolin OOO (acid orange 7).