Is this "Noise" or is it "Grain"

In the attached screenshot of the result of a scan of a 15-year old slide, the face of the Woman in the red jacket has a lot of ugly spottiness.
I was believing that this spottiness is "Noise", But somebody else tells me, that this is not Noise but is instead Grain.
So what is it: Noise or Grain?
Thank You a lot in advance for your answer

Hello photodrawken and 99jon
A lot of thanks for your answers.
Can I please add the following question: Is it normal, that a good slide scanner (it was a Nikon D9000 Coolscan) produce similar results in the unedited photo file?
Until now, I have seen similar problems in shadow areas, if trying to massively lighten the shadow areas of a scanned Kodachrome slide. But up to now, I have never seen something similar problems in the unedited result of the 2000+ scans done by a Nikon D9000 Coolscan,
I therefore wonder if the scan has really been done at the Scan shop with a Nikon D9000 Coolscan; or whether the scan has been done with a cheaper scanner and the file metadata has been doctored, to pretend that it has been done with a Nikon D9000 Coolscan. Are you aware of methods to verify that the scan has really been done with a Nikon D9000 Coolscan?
Thanks a lot in advance for your answers.

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imjolly wrote:
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Is this "Noise" or is it "Grain"

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