different between external vs externality

English

Etymology

From Middle French externe + -al, from Latin externus, from exter, exterus (“on the outside, outward”).

Pronunciation

• (General American) IPA^(key): /?ks?t?n?l/, /?ks?t?n?l/, /?ks?t?n?l/
• (Received Pronunciation) IPA^(key): /?ks?t??n?l/, /?ks?t??n?l/, /?ks?t??n?l/
• Rhymes: -??(?)n?l
• Hyphenation: ex?ter?nal

Adjective

external (comparative more external, superlative most external)

1. Outside of something; on the exterior.
2. Not intrinsic nor essential; accidental; accompanying; superficial.
   • 1850, Richard Chenevix Trench, Notes on the Miracles of Our Lord

     The external circumstances are greatly different.

3. Foreign; relating to or connected with foreign nations.

4. (anatomy) Away from the mesial plane of the body; lateral.
5. Provided by something or someone outside of the entity (object, group, company etc.) considered.

Synonyms

• (not intrinsic nor essential): See also Thesaurus:extrinsic

Antonyms

• internal

Related terms

Translations

Noun

external (plural externals)

1. (chiefly in the plural) The exterior; outward features or appearances.
2. (programming) In the C programming language, a variable that is defined in the source code but whose value comes from some external source.

Further reading

• external in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• external in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• external at OneLook Dictionary Search

English

Etymology

external +? -ity

Pronunciation

• (Received Pronunciation) IPA^(key): /?kst??næl?ti/
• (General American) IPA^(key): /?kst??næl?ti/
• (General Australian) IPA^(key): /ekst??næl?ti/
• Rhymes: -æl?ti

Noun

externality (countable and uncountable, plural externalities)

1. (uncountable) The state of being external or externalized.
2. (countable) A thing that is external relative to something else.
3. (economics, countable) An impact, positive or negative, on any party not involved in a given economic transaction or act.

Derived terms

• network externality
• nonexternality

Translations

See also

• collateral damage

Further reading

• externality on Wikipedia.Wikipedia