I wonder whether it is correct to use the word "granularity" in its plural form.

For example:

  1. X and Y are commonly used granularities in Z research.

  2. This study can be conducted at both coarse and fine granularities.

  3. This study can be conducted at different granularities.

Can I use "granularities" in the above sentences? Or can I simply use the singular form "granularity"?

  • 1
    Apparently, you do not really mean granuralities, but rather, 'levels/ degrees of granurality.' That should solve the issue.
    – Kris
    Jun 13, 2014 at 14:36
  • 1
    (From my experience in medical imaging research) In technical jargon it's quite common and correct for granularity to be used in this way. So, it depends a bit on where you're going to use the sentences.
    – Rupe
    Jun 13, 2014 at 15:17

1 Answer 1


As the two commenters both correctly assert, there is more than one reading for your use of the word.

Accordingly, if you are referring to an arbitrary unit, then the phrase levels of granularity is more appropriate.

Conversely if granularity is shorthand for a specific grain size, such as in sand/sediment samples, or the salt grain size associated with photosensitive films of differing ISO levels (or their digital equivalents, such as in medical imaging), then granularities is perfectly acceptable.

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