1. (n.) The act of transforming, or the state of being transformed; change of form or condition.

2. (n.) Any change in an organism which alters its general character and mode of life, as in the development of the germ into the embryo, the egg into the animal, the larva into the insect (metamorphosis), etc.; also, the change which the histological units of a tissue are prone to undergo. See Metamorphosis.

3. (n.) Change of one from of material into another, as in assimilation; metabolism; metamorphosis.

4. (n.) The imagined possible or actual change of one metal into another; transmutation.

5. (n.) A change in disposition, heart, character, or the like; conversion.

6. (n.) The change, as of an equation or quantity, into another form without altering the value.

Fabianism about-face act drop addition alchemy alteration approximation asbestos asbestos board assimilation assumption avatar backdrop batten becoming border catabolism catalysis change change-over changeover cloth consubstantiation conversion coulisse counterweight curtain curtain board cyclorama decor differentiation displacement division drop drop curtain equation evolution extrapolation extremism fire curtain flat flip-flop flipper gradualism growth hanging heterotopia integration interpolation inversion involution lapse meliorism metabolism metagenesis metamorphism metamorphosis metastasis metathesis metempsychosis modification multiplication mutant mutated form mutation naturalization notation passage permutation practice progress progressivism proportion radical reform radicalism rag re-formation reconversion reduction reform reformation reformism regeneration reincarnation resolution reversal revisionism revolution scene scenery screen shift side scene sport stage screw subtraction switch switch-over tab tableau teaser tormentor transanimation transfiguration transfigurement transformation scene transformism transit transition translation translocation transmigration transmogrification transmutation transposition transubstantiation turning into utopianism volte-face wing wingcut woodcut