Definitions

from The Century Dictionary.

  • Producing alteration; effecting change.
  • noun An alterative. Specifically, in dyeing, any substance employed to modify or change a color.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Altering; gradually changing.
  • noun rare An alterative.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Something that causes alteration, that alters.

Etymologies

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