Definition of Phobos in English:

Phobos

proper noun

Astronomy
  • The inner, and larger, of the two satellites of Mars, discovered in 1877. Heavily cratered and shaped like a potato, it is 17 miles (28 km) long.

    Compare with Deimos

Pronunciation

Phobos

/ˈfōbôs/ /ˈfoʊbɔs/ /ˈfōˌbäs/ /ˈfoʊˌbɑs/

Origin

Named after one of the sons of the Greek war god Ares.