Fomalhaut
Americannoun
noun
Etymology
Origin of Fomalhaut
First recorded in 1585–95; from Spanish Arabic fam al-ḥawt “mouth of the fish”; so called from its position in the constellation Piscis Austrinus ( Latin , literally “southern fish”)
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"Fomalhaut is much younger than the solar system, but when our solar system was 440 million years old, it was littered with planetesimals crashing into each other," Kalas said.
From Science Daily ● Jan. 7, 2026
A second new object, called Fomalhaut cs2, appeared nearby, but its position ruled out the possibility that it was the same object reappearing.
From Science Daily ● Jan. 7, 2026
Wyatt estimates that roughly 300 million planetesimals of similar size orbit Fomalhaut.
From Science Daily ● Jan. 7, 2026
The disappearance of the original object, now labeled Fomalhaut cs1, supports the idea that it was a dust cloud slowly dispersing after a collision.
From Science Daily ● Jan. 1, 2026
It is Fomalhaut, in the mouth of the Southern Fish, Piscis Australis.
From Astronomy with an Opera-glass A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical Instruments by Serviss, Garrett Putman
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
