megaparsec

mega·par·sec

noun \ˌme-gə-ˈpär-ˌsek\

Definition of MEGAPARSEC

: a unit of measure for distances in intergalactic space equal to one million parsecs

Origin of MEGAPARSEC

International Scientific Vocabulary

First Known Use: 1920

Rhymes with MEGAPARSEC

breathe down one's neck, cinematheque, kiloparsec, Melchizedek, mock turtleneck, promenade deck, traveler's check, winter crookneck