sectored disk

noun sec·tored disk \ˈsektə(r)d-\
variants: less commonly

sector disk


sector wheel

Definition of sectored disk

  1. :  a disk with alternate opaque and open sectors used in photometers to vary the brightness in a known manner

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!

Seen and Heard

What made you want to look up sectored disk? Please tell us where you read or heard it (including the quote, if possible).


to help become familiar with something

Get Word of the Day daily email!