- Alpha (α): Alpha is the first letter of the Greek alphabet. It generally does not have a specific meaning on its own.
- Beta (β): Beta can have various meanings depending on the context. It is often associated with the concept of "second" or "runner-up." In mathematics and science, it can represent a coefficient or a variable in an equation.
- Gamma (γ): Gamma commonly represents a third or lower-order term or element. In mathematics and physics, it is used to denote angles, gamma rays, or specific functions such as the gamma function.
- Delta (δ): Delta often conveys the idea of a change, difference, or small increment. It is used extensively in mathematics and physics, including as a symbol for partial derivatives and delta functions.
- Epsilon (ε): Epsilon usually denotes a small quantity or a small difference, often in the context of limits or mathematical operations. It is commonly seen in expressions like "ε-N" or "ε-δ" definitions.
- Zeta (ζ): Zeta commonly represents the sixth term or element in a sequence or series. In mathematics, it can also denote the Riemann zeta function.
- Eta (η): Eta is frequently used as an index or variable name, particularly in mathematics and science. In physics, it can represent efficiency or resistivity.
- Theta (θ): Theta often symbolizes an angle or a rotational motion. It is frequently encountered in geometry, trigonometry, and physics, such as in the polar coordinate system.
- Iota (ι): Iota often serves as an index or variable name in mathematical expressions.
- Kappa (κ): Kappa is commonly associated with the idea of "curvature." In mathematics and physics, it can represent the curvature of a curve, a unit vector in the z-direction, or the dielectric constant of a material.
These are just a few examples of the meanings associated with Greek letters. The meaning of a particular Greek letter can vary based on the field or context in which it is used.