I.E.


Meaning of I.E. in English

/ ˌaɪ ˈiː; NAmE / abbreviation

used to explain exactly what the previous thing that you have mentioned means (from Latin 'id est') :

the basic essentials of life, i.e. housing, food and water

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WORD ORIGIN

from Latin id est that is.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.