Obs. [as if ad. L. *friātiōn-em, n. of action f. friāre to rub into small pieces.] The action of rubbing or crumbling into small pieces.
1656. Blount, Glossogr., Frication or Friation, a rubbing or fretting together.
1657. R. Turner, Paracels. Chym. Transmut., 43. It is demonstrated not to be Salt, because the first beginning of its Resolution is not Friation.
1743. Lond. & Country Brew., II. (ed. 2), 139. By such Friation they are put into a Condition of imparting their Essence more freely to the Wort in a little Time.