Zd or ZD may refer to:
*
Nissan ZD engine
The Nissan ZD30 engine family is a 3.0 litres (2,953 cc) inline four cylinder diesel engine with a bore and stroke of 96 mm × 102 mm (3.78 in × 4.02 in), that replaced the Nissan QD, BD and TD engines. At Renault it also replaced th ...
, an automobile engine
*
Zero Defects
Zero Defects (or ZD) is a collaborative programme or philosophy within an organisation, whereby everyone works together towards the ideal goal of there being no defects in quality. As a management-led program to eliminate defects in industrial p ...
, a management program to eliminate defects in industrial production, popular in American industry in the late 1960s
*
Zero-defects mentality
A zero-defects mentality (also known as Zero Error Syndrome) exists when a command-and-control structure does not tolerate mistakes. This atmosphere is now widely acknowledged to be ineffective in both military and corporate life.
The results of ...
, in which a command-and-control structure does not tolerate mistakes
*
Zertifikat Deutsch The Zertifikat Deutsch (ZD) is an internationally recognized exam of German language ability. It tests for a level of ability equivalent to level B1 in the Common European Framework of Reference for Languages (CEFR) scale. Candidates typically need ...
, a certificate of German language ability
*
Ziff Davis
Ziff Davis, Inc. is an American digital media and internet company. First founded in 1927 by William Bernard Ziff Sr. and Bernard George Davis, the company primarily owns technology-oriented media websites, online shopping-related services, an ...
, a magazine publisher and Internet information provider
*
Zooey Deschanel, an American actress and musician
{{disambiguation