Main Entry: ¹ex·ter·nal

Pronunciation: \ek-ˈstər-n^əl\

Function: adjective

Etymology: Latin externus external, from exter — more at exterior

Date: 1542

1 a : capable of being perceived outwardly <external signs of a disease> b (1) : having merely the outward appearance of something : superficial (2) : not intrinsic or essential <external circumstances>
2 a : of, relating to, or connected with the outside or an outer part <the building's external features> b : applied or applicable to the outside <a lotion for external use>
3 a (1) : situated outside, apart, or beyond; specifically : situated near or toward the surface of the body (2) : arising or acting from outside <an external force> b : of or relating to dealings or relationships with foreign countries c : having existence independent of the mind <external reality>

— ex·ter·nal·ly \-n^əl-ē\ adverb