NTA

American  

abbreviation

Chemistry, Pharmacology.

1. nitrilotriacetic acid: a white, crystalline solid, C 6 H 9 NO 6 , used in water softening, as a chelating agent, and as a replacement for phosphates in detergents and cleansers.

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Etymology

Origin of NTA

First recorded in 1965–70

Example Sentences

"We then found out he had been telling people he runs the NTA party," said Kate.

From BBC • Jul. 26, 2025

But the NTA refuted these allegations, saying that the “integrity of the examination had not been compromised” and that there were more high scorers this year because more students had taken the exam.

From BBC • Jun. 18, 2024

He said it’s taken an average of 45 days to issue an NTA to the migrants.

From Washington Times • Nov. 23, 2023

But that leaves 413 migrants — or 16% of the population — who haven’t been served an NTA, despite having been in the country for six months.

From Washington Times • Nov. 23, 2023

The advertisement on NTA for Andrew Checking Out, which he had watched as a child, had given shape to his longings.

From "Americanah" by Chimamanda Ngozi Adichie