(chemistry) a yellow azo dye formerly used as a food colouring

(FD&C code) A color additive composed principally of tartrazine.

the millennium bug

A bright yellowish-green colour.

Alternative spelling of light year

(idiomatic) Absolutely not.

A year of the Common Era/Christian Era; anno Domini; numbered from the once estimated first year for the birth of Jesus Christ.

(informal, slang) Used to indicate agreement, often sarcastically. / (informal, slang) Used to introduce a refutation, sometimes sarcastically. / (informal, slang) An exclamation of excitement or joy

a year determined by a certain number of phases of the moon, as opposed to the passage of the Earth around the sun

A duck, Gavia adamsii, found in the arctic and subarctic.