释义 |
z I. \ˈzē, chiefly Brit ˈzed, archaic or dial ˈizə(r)d\ noun (plural z's or zs \-ēz, -dz\) Usage: often capitalized, often attributive 1. a. : the 26th and last letter of the English alphabet b. : an instance of this letter printed, written, or otherwise represented c. : a speech counterpart of orthographic z (as z in zone, haze or French zone, seize) 2. : a printer's type, a stamp, or some other instrument for reproducing the letter z 3. : someone or something arbitrarily or conveniently designated z: as a. : the 26th in order or class b. : the 25th in order or class when j is not used c. : the 23d in order or class when j, v, and w are not used d. : the third in order or class when x is made the first 4. : something having the shape of the letter z < a Z bar > 5. a. : unknown quantity 1 b. : z-coordinate 6. : a buzzing sound (as of snoring) — usually used in multiples (as z-z or zzz) II. abbreviation Usage: often capitalized 1. zero 2. zinc 3. zloty 4. zone III. symbol Usage: capitalized 1. atomic number 2. impedance 3. zenith distance IV. noun 1. or z particle usually capitalized Z : a neutral elementary particle about 90 times heavier than a proton that along with the W particle is a transmitter of the weak force — called also Z0 or Z0 particle 2. often capitalized : wink II,1a < catch a few z's on a quiet graveyard shift — Joseph Wambaugh > |