meaning of z80

1. Z, the twenty-sixth and last letter of the English alphabet, is a vocal consonant. It is taken from the Latin letter Z, which came from the Greek alphabet, this having it from a Semitic source. The ultimate origin is probably Egyptian. Etymologically, it is most closely related to s, y, and j; as in glass, glaze; E. yoke, Gr. /, L. yugum; E. zealous, jealous. See Guide to Pronunciation, // 273, 274.
2. Z /zed/ specification> 1. After Zermelo-Frõnkel set theory A specification language developed by the Programming Research Group at Oxford University around 1980. Z is used for describing and modelling computing systems. It is based on axiomatic set theory and first order predicate logic. Z is written using many non-ASCII symbols. It was used in the IBM CICS project. See also Z++. ["Understanding Z", J. M. Spivey, Cambridge U Press 1988]. 2. simulation> A stack-based, complex arithmetic simulation language from ZOLA Technologies.
3. the 26th letter of the Roman alphabet; "the British call Z zed and the Scots call it ezed but Americans call it zee"; "he doesnt know A from ">izzard"

Related Words

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