Home US English proplyd

Definition of proplyd in English:

proplyd

Pronunciation /ˈprəʊplɪd/

noun

Astronomy

  • An opaque disc of gas and dust orbiting a young star, thought to be an embryonic planetary system; a protoplanetary disc.

Origin

1990s; earliest use found in United Press International Newswire. From pro- + -pl- + -y + d-.