Emily Dickinson Lexicon

MOD-I-FI-CA'TION, n. [from modify.]

1. The act of modifying, or giving to any thing new forms, or differences of external qualities or modes. If these powers of cogitation, volition and sensation are not inherent in matter as such, nor acquirable to matter by any motion or modification of it. Bentley.
2. Particular form or manner; as, the various modifications of light or sound. The treaty, in several of its modifications, was held to be objectionable. Newton. Holder.