protoplanetary
/ˌprəʊtə(ʊ)ˈplanɪt(ə)ri/Astronomy
adjective
Of, relating to, or of the nature of a protoplanet.
Origin
1950s. From proto- + planetary, partly after Russian protoplanetnyj, and partly after protoplanet.
- self-loading
- self-loathing
- self-locking
- self-love
- self-made
- self-management
- self-managing
- self-mastery
- selfmate
- self-medicate
- self-medication
- self-medicator
- self-mockery
- self-mocking
- self-mockingly
- self-mortification
- self-motion
- self-motivated
- self-motivating
- self-motivation
- self-moving
- self-murder
- self-murderer
- self-mutilation
- self-named