1874, from en- (1) "make, put in" + capsulate (see capsule). Related: Encapsulated; encapsulating.
encapsulate en·cap·su·late (ěn-kāp'sə-lāt')v. en·cap·su·lat·ed, en·cap·su·lat·ing, en·cap·su·lates
To form a capsule or sheath around.
To become encapsulated.