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Science Symbols — Complete Index
The language of the physical world. Explore symbols used in physics, engineering, biology, and general science, from electrical units to hazard signs.
1) Physics & Engineering
| Symbol | Meaning |
|---|---|
| Ω | Ohm (Resistance) |
| V | Volt (Voltage) |
| A | Ampere (Current) |
| W | Watt (Power) |
| Hz | Hertz (Frequency) |
| λ | Lambda (Wavelength) |
2) Biology & Safety
| Symbol | Meaning |
|---|---|
| ☣ | Biohazard |
| ☢ | Radioactive |
| ☠ | Skull and Crossbones (Toxic) |
| ♀ | Female |
| ♂ | Male |
3) Units & Constants
| Symbol | Meaning |
|---|---|
| π | Pi (3.14159...) |
| ° | Degree |
| µ | Micro (10⁻⁶) |
| Å | Angstrom (10⁻¹⁰ m) |
| c | Speed of light |