Writing for Business - A Whatis.com Blog

Nov 17 2009   2:37PM GMT

“A NDR” or “an NDR?”

Ivy Wigmore Ivy Wigmore Profile: Ivy Wigmore

Which is correct?
Although some admins simply configure servers not to send out _______ (non-delivery report) when the recipient does not exist, that method can cause problems for some legitimate emails.
a. A NDR
b. An NDR

Answer: b

Because we pronounce the letters in this initialism (en-dee-ar), we treat it as if it were a word starting with a vowel.

See more questions and answers about acronyms and initialisms.

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