Definition

Related to a small celestial body that orbits a star, similar to a planet.

Example

The scientists discovered a planetoidal object in the outer reaches of the solar system.

Conversation

Did you see that documentary about the planetoidal bodies in our solar system?

Yeah, it was fascinating how many of them are out there!

I never knew there were so many planetoidal objects orbiting the sun.

Right? It really makes you think about how vast space is!

Synonyms & Antonyms

Root Explanation

Planetoidal → It is formed from "planeta" (from Greek "planētēs", meaning wanderer) and the suffix "-oidal" (meaning resembling or having the shape of). The word "planetoidal" refers to something that resembles or has the characteristics of a planet.

Memory Tip

Think of 'wanderer' ('planeta') to remember that 'planetoidal' describes something that resembles a planet.

Visually Confused Words