Uranus

noun

Ura·​nus ˈyu̇r-ə-nəs  yu̇-ˈrā- 

1

: the sky personified as a god and father of the Titans in Greek mythology

2

: the planet seventh in order from the sun see Planets Table

Examples of Uranus in a Sentence

Recent Examples on the Web

Mercury lacks a true atmosphere, but auroral activity has been detected on Venus, Mars, Jupiter, Saturn, Uranus and Neptune. —Jamie Carter, Forbes.com, 22 May 2025

The technique and the technology have been there for a while—the same technique has been used to find moons of Neptune and Uranus. —Meghan Bartels, Scientific American, 22 May 2025

For instance, Neptune migrated outward, switching places with Uranus, and pushed a lot of the small, icy bodies into the Kuiper Belt, a place in the outer solar system that’s home to dwarf planets Pluto, Eris and Makemake and millions of comets. —Lucas Brefka, The Conversation, 19 May 2025

Expect the unexpected from others as the sun fuses with Uranus. —Usa Today, USA Today, 17 May 2025

Word History

Etymology

Late Latin, from Greek Ouranos

First Known Use

1655, in the meaning defined at sense 1

Kids Definition

Uranus

noun

Ura·​nus ˈyu̇r-ə-nəs  yu̇-ˈrā- 

: the planet seventh in order from the sun see planet