U+238E "" Hysteresis Symbol Unicode Character

Unicode Version 18.0

Source: Noto Sans Symbols Source: Browser Default

U+238E "" Hysteresis Symbol is a specialized graphical character used primarily in technical diagrams and control system schematics to represent the phenomenon of hysteresis, where a system's output depends on its history of inputs, such as the classic lag between a magnetic field and its material response. It visually depicts a loop or a stylized shape that conveys the concept of a delayed or non-reversible reaction, often appearing in electrical engineering contexts like relay circuits or comparator designs. This symbol is part of the Miscellaneous Technical Unicode block and provides a standardized way to annotate documentation without relying on custom images, ensuring clarity across different software and platforms.

Encodings

HTML Decimal Encoding
⎎
HTML Hex Encoding
⎎
UTF-8 Encoding
0xE2 0x8E 0x8E
UTF-16 Encoding
0x238E
UTF-32 Encoding
0x0000238E
C/C++/Java Escape
\u238e