IATA is an abbreviation

AnonymousIATA is an abbreviation, can it be treated as a word if yes than, what it will be a noun, adjective..???]

Clearly a noun. It remains an abbreviation of International Air Transport Association, of which Association is the head word and belongs to the word class of (countable) nouns.

Regards

Jordy

Yes, IATA can be used and viewed as a noun. However, it is also possible to use it like an adjective -- i.e. to modify another noun. For example:

IATA regulations
IATA airport codes

YankeeYes, IATA can be used and viewed as a noun. However, it is also possible to use it like an adjective -- i.e. to modify another noun. For example:

IATA regulations
IATA airport codes

Okay. I see what you are getting at there. But isn't that simply 'compounding'?

Regards

Jordy

I said "it can be used like an adjective" because the poster asked specifically about adjectives as well as about nouns. My assumption was that it might have been the attributive noun function that led to the poster's question about whether IATA was an adjective.

Compound nouns typically consist of a primary noun modified by an adjective or by an attributive noun. Describin

Hi

I wasn't questioning you, but simply wondering about the subject.

Regards

Jordy