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WordReference Random House Learner's Dictionary of American English © 2024Z, z /zi/USA pronunciation n. [countable], pl. Zs or Z's, zs or z's. - the 26th letter of the English alphabet, a consonant.
WordReference Random House Unabridged Dictionary of American English © 2024Z, z (zē or, esp. Brit., zed; Archaic iz′ərd),USA pronunciation n., pl. Z's or Zs, z's or zs. - the 26th letter of the English alphabet, a consonant.
- any spoken sound represented by the letter Z or z, as in zero, zigzag, or buzzer.
- something having the shape of aZ.
- a written or printed representation of the letter Z or z.
- a device, as a printer's type, for reproducing the letter Z or z.
Z, - Astronomyzenith distance.
- zone.
Z, Symbol.- the 26th in order or in a series, or, when I is omitted, the 25th.
- (sometimes l.c.) the medieval Roman numeral for 2000. Cf. Roman numerals.
- [Chem., Physics.]atomic number.
- [Elect.]impedance.
z, - zone.
z, [Symbol, Math.]- an unknown quantity or variable.
- (in Cartesian coordinates) the z- axis.
z., - Mathematicszero.
Z0, - [Symbol, Physics.]See Z-zero particle.
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