preplanetary

adj — 2 senses

adj

Etymology From pre- + planetary.

Before the existence or formation of planets.

Related terms: interplanetary, inter-planetary, planet, planetary, post-planetary, postplanetary

adj

Etymology From preplanetary nebula, from pre- + planetary nebula.

Relating to a stage in the life of a red giant star or its preplanetary nebula during the star's final stages of life

Related terms: nebula, planet, planetary, planetary nebula, preplanetary nebula, protoplanetary, protoplanetary nebula

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.