science, scientific discipline - a particular branch of scientific knowledge; "the science of genetics"

committal to writing, writing - the activity of putting something in written form; "she did the thinking while he did the writing"

encoding, encryption - the activity of converting from plain text into code

recoding - converting from one code to another

decipherment, decoding, decryption - the activity of making clear or converting from code into plain text; "a secret key or password is required for decryption"