A fiber, a single filament of natural material, such as cotton, linen or wool, or artificial material such as nylon, polyester, metal or mineral fiber, or man made natural fibre like Viscose, Modal & Excel is measured in terms of linear mass density, the weight of a given length of fiber.
The vernam cipher, sometimes known as the 'one time pad', is a stream cipher, which providing certain requirements are met, can be theoretically unbreakable.
Synonyms and Antonyms of cipher. 1  1 the numerical symbol 0 or the absence of number or quantity represented by it remember to put the cipher after the decimal point Synonyms aught, zero, goose egg, naught (also nought), nil, nothing, o, oh, zilch, zipRelated Words blank, void.