Z, z
[ zee or, esp. British, zed; Archaic iz-erd ]
/ zi or, esp. British, zɛd; Archaic ˈɪz ərd /
noun, plural 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 a Z.
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.
Definition for z (2 of 9)
Definition for z (3 of 9)
z
Symbol, Mathematics.
an unknown quantity or variable.
(in Cartesian coordinates) the z-axis.
Definition for z (4 of 9)
Definition for z (5 of 9)
Z
Symbol.
the 26th in order or in a series, or, when I is omitted, the 25th.
Chemistry, Physics.
atomic number.
Electricity.
impedance.
Definition for z (6 of 9)
Z0
Symbol, Physics.
Z-zero particle.
Definition for z (7 of 9)
Definition for z (8 of 9)
z's
or Z's
[ zeez ]
/ ziz /
noun (used with a plural verb) Slang.
sleep (often used with grab, catch, etc.): to grab some z's before dinner.
Origin of z's
First recorded in 1960–65; from the conventional use of a series of z's to represent snoring
Definition for z (9 of 9)
zeta
[ zey-tuh, zee- ]
/ ˈzeɪ tə, ˈzi- /
noun
the sixth letter of the Greek alphabet (Z, ζ).
the consonant sound represented by this letter.
Origin of zeta
First recorded in 1820–30,
zeta is from the Greek word
zêta
Example sentences from the Web for z
British Dictionary definitions for z (1 of 6)
z
/ maths /
symbol for
the z- axis or a coordinate measured along the z- axis in a Cartesian or cylindrical coordinate system
an algebraic variable
British Dictionary definitions for z (2 of 6)
z
Z
/ (zɛd, US ziː) /
noun plural z's, Z's or Zs
the 26th and last letter and the 20th consonant of the modern English alphabet
a speech sound represented by this letter, in English usually a voiced alveolar fricative, as in zip
- something shaped like a Z
- (in combination)a Z-bend in a road
British Dictionary definitions for z (3 of 6)
Z
symbol for
any unknown, variable, or unspecified factor, number, person, or thing
chem
atomic number
physics
impedance
zone
currency
zaïre
abbreviation for
Zambia (international car registration)
British Dictionary definitions for z (4 of 6)
zeta
/ (ˈziːtə) /
noun
the sixth letter in the Greek alphabet (Ζ, ζ), a consonant, transliterated as z
Word Origin for zeta
from Greek, of Semitic origin; compare Hebrew
sādhē
British Dictionary definitions for z (5 of 6)
Zeta
/ (ˈziːtə) /
noun
(foll by the genitive case of a specified constellation)
the sixth brightest star in a constellation
Zeta Tauri
British Dictionary definitions for z (6 of 6)
ZETA
/ (ˈziːtə) /
noun
a torus-shaped apparatus used for research in the 1950s and early 1960s on controlled thermonuclear reactions and plasma physics
Word Origin for ZETA
C20: from
z (
ero-)
e (
nergy)
t (
hermonuclear)
a (
pparatus)
Medical definitions for z
zeta
[ zā′tə, zē′- ]
n.
The sixth letter of the Greek alphabet.
Idioms and Phrases with z
z
see from soup to nuts (a to z).