Definition of caline
: the complex of hormones or hormonelike factors not including auxin that are involved in the formation of roots, stems, and leaves
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of caline
Seen and Heard
What made you want to look up caline? Please tell us where you read or heard it (including the quote, if possible).