reversible

(noun) a garment (especially a coat) that can be worn inside out (with either side of the cloth showing).

(adj) capable of reversing or being reversed. Synonyms: reversible (vs. irreversible). Example: "Reversible hypertension."

(adj) capable of being reversed or used with either side out. Synonyms: reversible (vs. nonreversible), two-sided. Example: "A reversible jacket."

(adj) capable of being reversed. Example: "A reversible decision is one that can be appealed or vacated."

(adj) capable of assuming or producing either of two states. Examples: "A reversible chemical reaction." "A reversible cell."