- (transitive) To pour out or upon.
- 1661, Robert Boyle, “(please specify the page)”, in The Sceptical Chymist: or Chymico-physical Doubts & Paradoxes, […], London: […] J. Cadwell for J. Crooke, […], OCLC 1119844633:
- [I] poured on them acid liquors, to try if they contained any volatile salt or spirit, which (had there been any there) would probably have discovered itself by making an ebullition with the affused liquor.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for affuse in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913)