Word: keystream
Part of speech: Noun
Syllables: key
stream
Definition: A stream of random or pseudorandom characters that are combined with the plaintext to produce a ciphertext.
Morphemes:
Affix: key
Language: en
PoS: Noun
Meaning: A piece of information (e.g. a passphrase) used to encode or decode a message or messages.
Affix: stream
Language: en
PoS: Noun
Meaning: A source or repository of data that can be read or written only sequentially.