protoplanetary

See also: proto-planetary

English

Alternative forms

• proto-planetary

Etymology 1

From proto- +‎ planetary and protoplanet +‎ -ary.

Adjective

protoplanetary (not comparable)

1. (astronomy, planets) Of or pertaining to a protoplanet.

Coordinate terms

• planetessimal
• planetoid

 

Derived terms

• proplyd
• protoplanetary core
• protoplanetary disc
• protoplanetary disk
• protoplanetary embryo
• protoplanetary nebula
• protoplanetary object

 

Related terms

• inter-planetary
• interplanetary
• planet
• planetary
• post-planetary
• postplanetary
• pre-planetary
• preplanetary
• protoplanet

 

Translations

of or pertaining to a protoplanet

• Finnish: esiplanetaarinen
• German: protoplanetar, protoplanetarisch
• Russian: протопланетный (ru) (protoplanetnyj)
• Spanish: protoplanetario (es)

Etymology 2

From protoplanetary nebula, from proto- + planetary nebula.

Adjective

protoplanetary (not comparable)

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

Related terms

• nebula
• planet
• planetary
• planetary nebula
• preplanetary
• preplanetary nebula
• protoplanetary nebula