Dictionary.com

mean planet

Save This Word!

noun Astronomy.
a hypothetical planet that coincides with a real planet when the real planet is at perihelion and that moves in an orbit at a constant velocity equal to the mean velocity of the real planet.
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use mean planet in a sentence

FEEDBACK