Neptune
Neptune (noun) means the eighth and outermost planet in the solar system, known for its deep blue color. Example: “Neptune takes about 165 Earth years to orbit the sun.”
How to use Neptune
Learner’s notesIn plain EnglishEither the blue ice-giant planet farthest from the sun, or the Roman god of the ocean.
Fill the gap
Can you complete this real example?
_____ takes about 165 Earth years to orbit the sun.
Etymology
From Latin Neptūnus, the Roman god of the sea, possibly linked to an ancient root meaning "wet" or "cloudy."