There are 2 main definitions of ISO in English:

ISO1

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Pronunciation: /ʌɪɛsˈəʊ
 
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Origin

from Greek isos 'equal'; the term is often erroneously thought to be an abbreviation.

Definition of ISO in:

There are 2 main definitions of ISO in English:

ISO2

Line breaks: ISO
Pronunciation: /ʌɪɛsˈəʊ
 
/

abbreviation

historical
(In the UK) Imperial Service Order, awarded to British and commonwealth civil servants (discontinued in 1993).

Definition of ISO in: