Longman Dictionary of Contemporary English homepage

Date: 1400-1500
Language: Medieval Latin
Origin: internalis, from Latin internus 'inward, inside'

internal

adjective
     
Related topics: Medicine, Government
in‧ter‧nal W2 [usually before noun]
1PG within a particular country [= domestic; ≠ external]:
We have no interest in interfering in the internal affairs of other countries.
the threat to internal security
internal markets
2 within a company or organization rather than outside it [≠ external]:
There's to be an internal inquiry into the whole affair.
the internal mail
3M inside your body [≠ external]
4 inside something rather than outside [≠ external]:
They've knocked down a couple of internal walls.
5 existing in your mind [= inner]:
internal doubts
internally adverb:
The matter will be dealt with internally.
This medicine must not be taken internally.

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