external
adjective
[ ɪkˈstəːn(ə)l ]
• belonging to or forming the outer surface or structure of something.
• "the external walls"
Similar:
outer,
outside,
outermost,
outward,
exterior,
surface,
superficial,
visible,
extrinsic,
extraneous,
• coming or derived from a source outside the subject affected.
• "for many the Church was a symbol of external authority"
external
noun
• the outward features of something.
• "the place has all the appropriate externals, such as chimneys choked with ivy"
Origin:
late Middle English: from medieval Latin, from Latin exter ‘outer’.