Definition of one-time pad in English:

one-time pad

Line breaks: one-time pad

Entry from British & World English dictionary

noun

A pad of keys for a cipher, each page being destroyed after one use, so that each message is sent using a different key.

Definition of one-time pad in:

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Word of the day hypnopompic
Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
adjective
relating to the state immediately preceding waking up