Definition of Forbes scale
: a thin grayish armored scale (Aspidiotus forbesi) attacking fruit trees and resembling the San Jose scale but usually much less destructive
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of forbes scale
after Stephen A. Forbes †1930 American entomologist
Seen and Heard
What made you want to look up Forbes scale? Please tell us where you read or heard it (including the quote, if possible).