read receipt

• IPA^(key): /ˈɹiːd ɹɪˌsiːt/, /ˈɹɛd ɹɪˌsiːt/

Pronunciation varies depending on whether read is interpreted as the noun/present tense (/ɹiːd/) or the past tense (/ɹɛd/).

read receipt (plural read receipts)

1. (computing) An automatic response, often containing a timestamp, which notifies the sender of an e-mail or instant message that the message was opened.

• Adrienne LaFrance, "How the Internet Is Changing Pronunciation: Quick: How do you say the “read” in “read receipts”?" The Atlantic 1 November 2016