≞

Math Operator 91

Unicode
U+225E
Category
Math
HTML Entity
≞
CSS
\225E
The ≞ (Measured By) symbol is a mathematical operator featuring an equals sign topped with a small arc. It is primarily used in geometry and technical fields to indicate that a specific value is being measured by another given quantity. While you won't spot it in everyday text or social media, it serves as a precise shorthand for mathematicians and engineers documenting physical measurements or equivalencies.

How to Type

Windows
Win+. then search "measured by" or Alt+8798
macOS
Control+Command+Space then search "measured by"
Linux
Ctrl+Shift+U then 225E
HTML
≞

In Programming

In mathematical rendering systems like LaTeX (using packages like unicode-math), this symbol is often called with \measeq to format geometric proofs and measurement algorithms.

Read full meaning article

Tags

arc equals sign arc over equals engineering symbol geometric measurement mathematics measured by measured by math measurement measurement notation notation relation unicode measured by

Related Symbols

± Plus Minus Sign × Multiplication Sign ÷ Division Sign ≠ Not Equal To ≈ Approximately Equal To ∞ Infinity √ Square Root ∑ Summation ∫ Integral π Pi ≤ Less Than or Equal To ≥ Greater Than or Equal To