Definition of «fine grind»

The phrase "fine grind" refers to making something into tiny particles or breaking it down into very small pieces.

Our wonderful organic extra fine ground almond flour at 48 % protein content. (amazon.co.uk)
It doesn't always produce the best fine grind for espresso but works very well for drip and pour - over coffee. (geekwrapped.com)
And you're right, almond flour can be a bit gritty (do you buy the super fine grind?). (downshiftology.com)
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