GlyphIndexExample notation
λ = 550 nm
Here λ is defined as a wavelength in an illustrative note.
Greek lambda
Lambda appears as uppercase Λ and lowercase λ. The lowercase letter often labels wavelength in scientific notation.
GREEK CAPITAL LETTER LAMDA
Appearance can vary by font.
Character details
♡→✦
3 code pointsMeaning and context
Lambda appears as uppercase Λ and lowercase λ. The lowercase letter often labels wavelength in scientific notation.
How to use it
In λ = 550 nm, the unit makes the wavelength example clear. Use the form and case required by the surrounding notation.
Examples
Uppercase and lowercase
Λ U+039B / λ U+03BB
Uppercase and lowercase use different code points. Copy the case you need.
Similar shapes, different characters
Compare the lookalike
U+039BThese are lowercase and uppercase forms of the same Greek letter family.
Greek small lambda
U+03BBCopy the lowercase letter when that is the case used in the source material.
Sources and method
- Unicode 18.0.0 character database — Pinned standard character identities and properties; the application computes UTF encodings from the original text.
- Unicode normalization forms (Unicode 18.0.0)