English Reference

Word

xyz

Definition

n. a set of three letters used to represent unknown or variable values in math and science. It is often used when you have three different things you want to measure or compare.

n. a sequence of three variables or unknowns used in mathematical equations and scientific contexts. Often used in place of specific numerical values to represent a general case or to facilitate algebraic manipulation.

Examples

“The equation uses xyz to represent the three unknowns.”

“In the physics lab, the students used xyz to track the three-dimensional movement of the particle.”

“The researcher noted that while the first two variables showed a clear correlation, the third, represented by xyz, remained entirely independent of the others.”

Examples

simple

“The equation uses xyz to represent the three unknowns.”

contextual

“In the physics lab, the students used xyz to track the three-dimensional movement of the particle.”

complex

“The researcher noted that while the first two variables showed a clear correlation, the third, represented by xyz, remained entirely independent of the others.”

Real-World Examples

“A search for one mysterious particle unexpectedly revealed evidence for two different structures that may belong to the bizarre family of exotic subatomic particles known as XYZ states.”
ScienceDaily · 2 Sept 2026

This entry

Level
C2 · Proficiency
Frequency
Occasional
Updated

Scan code

englishreference.com/q/xyz

English Reference