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Webster 1913 Edition

Adj.

That minces; characterized by primness or affected nicety.

ppr.

Cutting into small pieces; speaking or walking affectedly.

mincing

mincing ‎(comparative more mincing, superlative most mincing)

Affectedly dainty.
- 1913, D.H. Lawrence, Sons and Lovers, chapter 2
  "Is there nothing to eat in the house?" he asked, insolently, as if to a servant. In certain stages of his intoxication he affected the clipped, mincing speech of the towns. Mrs. Morel hated him most in this condition.

mincing ‎(plural mincings)

The act by which something is minced.
- 1931, The Journal of Biological Chemistry (volume 90, page 689)
  After three or four mincings with a coarse blade the product was passed two or three times through a fine blade.