Phobos

[ foh-buhs, -bos ]

/ ˈfoʊ bəs, -bɒs /

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noun

Also Pho·bus

[foh-buhs]. /ˈfoʊ bəs/. Classical Mythology. a son and attendant of Ares and the personification of a fear held to possess armies and cause their defeat.

Astronomy. one of the two moons of Mars.

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Compare Deimos.

Words nearby Phobos

pho, -phobe, phobia, phobic, phobophobia, Phobos, Phocaea, phocine, Phocion, Phocis, phocomelia

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for Phobos

Phobos

/ (ˈfəʊbɒs) /

noun

the larger of the two satellites of Mars and the closer to the planet. Approximate diameter (although it has an irregular shape): 23 kmCompare Deimos

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for Phobos

Phobos

[ fō′bəs ]

The larger and inner of the two planetary satellites of Mars.