I. ek-ˈstər-n ə l 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 ə l-ē adverb
II. noun
Date: circa 1635
: something that is external: as
a. : an outer part
b. : an external feature or aspect — usually used in plural