- exchanging documents of mining survey
- exchanging exhibition
- Excicon
- excimer
- excimer-excimer annihilation
- excimer fluorescence
- excimer laser
- excimer laser coronary angioplasty
- excimer laser coronary angioplasty, ELCA
- excimer laser, exciplex laser
- exciplex
- exciplex fluorescence
- exciplex laser
- excipulum
- excircle
- excision
- excision axiom
- excision enzyme
- excision homomorphism
- excision isomorphism
- excision isomorphism theorem
- excision mapping
- excision of anal fissure
- excision of external hemorrhoid
- excision property