zeta

noun

1. the sixth letter of the Greek alphabet (Z, ζ).
2. the consonant sound represented by this letter.

noun

1. the sixth letter in the Greek alphabet (Ζ, ζ), a consonant, transliterated as z

noun

1. (foll by the genitive case of a specified constellation) the sixth brightest star in a constellationZeta Tauri

noun

1. a torus-shaped apparatus used for research in the 1950s and early 1960s on controlled thermonuclear reactions and plasma physics

Greek letter, see zed.

n.

1. The sixth letter of the Greek alphabet.