1. the 11th letter of the Greek alphabet (Λ, λ)
2. a symbol used in mathematics, physics, and computer science to represent various concepts
Usage: technical
3. an anonymous function in computer programming
Usage: computing

Examples

• The Greek letter lambda appears in many mathematical formulas.
• In physics, lambda often represents wavelength.
• The fraternity’s symbol featured the lambda prominently.
• Python uses lambda to create small anonymous functions.
• The lambda calculus is fundamental to computer science theory.
• She wrote the lambda on the whiteboard during the Greek lesson.