Z meaning in Academic & Science ?

Answer: What is Zenith mean?

The zenith is an imaginary point directly "above" a particular location, on the imaginary celestial sphere. "Above" means in the vertical direction (plumb line) opposite to the gravity direction at that location (nadir). The zenith is the "highest" point on the celestial sphere.

reference

Full Form	Category
Zenith	Academic & Science
Venator Group, Inc.	Business
Effort	Business
Zukunft	Business
Zillow Group class C	Business
Zappers	Community
Zepto	Computing
Zeolite	Earth Science
Zoom	Electronics
Form Z (polar Make; Make) Bar Contactor	Electronics
Zener Diode	Electronics
Compressed File Archive.z	File Type
Unix Compressed File Archive.z (binary)	File Type
Zipper	General
Zoe	General
Zachariah	General
Zombie	General
Zork	General
Zachary	General
Zartan	General
Zany	General
Zip	Governmental
Zahl	International
Zu	International
Zero	Maths
Z-axis (depth)	Maths
Unit of Sleep	Measurement Unit
Zoo	Medical
Zzzzzz (falling Asleep At The Keyboard)	Messaging
Zimmerman	Military and Defence
Zulu Time	Military and Defence
Aircraft Symbol Prefix – Planning	Military and Defence
Flash Precedence	Military and Defence
Depth Axis	Physics Related
Zulu Time (Coordinated Universal Time [UTC] / 'Greenwich Mean Time' )	Regional
Zanzibar	Regional
Zivilversion	Softwares
Normal Acceleration (load Factor)	Space Science
Z-axis Direction	Space Science
Zone	Space Science
Zulu Time (greenwich Mean Time / Universal Time)	Space Science
Aircraft Symbol Prefix €	Space Science
Zapped	Sports
Zing	Sports
Z	Stock Exchange