ack

ack — abbreviation

1. a shortened form of 'acknowledge' or 'acknowledgment', used in radio, aviation,

1.縮寫C1
釋義

a shortened form of 'acknowledge' or 'acknowledgment', used in radio, aviation, and computer communications to confirm that a message or signal has been received and understood.

例句

The pilot sent an ack to confirm that the landing instructions had been received.

used as a noun: send + ack

Omar, please ack receipt of this message before noon so I know you saw it.

used as a verb: ack + receipt

同義詞
  • acknowledge

    the full verb form; more formal and appropriate for general use

  • confirm receipt

    more explicit than 'ack'; used in business correspondence

  • roger

    radio communication term with the same meaning; less common in computing

反義詞
  • stand by

    indicates the message was received but not yet processed or confirmed

文法句型

send + ack

ack + [that-clause]

ack + noun phrase (receipt, message)

用法筆記

Common in radio, aviation, military, and computing environments. As a verb, it is typically used imperatively or with a direct object such as 'receipt', 'message', or 'update'. Not used in formal writing or everyday conversation.

常見錯誤

❌The teacher asked for an ack from the students.
✅The technician asked for an ack from the control room.
💡'ack' is a technical abbreviation, not a general synonym for 'response' or 'reply'.
❌I acked the email.
✅I acked receipt of the email.
💡When used as a verb, 'ack' typically requires a direct object such as 'receipt', 'message', or 'signal'.