undersurface
[ uhn-der-sur-fis ]
/ ˈʌn dərˌsɜr fɪs /
noun
underside; bottom surface.
adjective
submerged; under the surface, as of water, earth, etc.: the undersurface speed of a submarine.
Words nearby undersurface
understratum,
understrength,
understructure,
understudy,
undersubscribe,
undersurface,
undertake,
undertaker,
undertaking,
undertenant,
underthings