(geology) any piece of rock having a different origin to that of the igneous rock in which it is found
xenophon
xenophon
Proper noun
Athenian historian and philosopher born 427 and author of the Anabasis and Memorabilia. He was a pupil of Socrates and became a general during the Persian wars.
xenophya
xenophya
noun
(biology) foreign particles found within an organism, such as sand grains
xeraphin
xerophil
xerophil
noun
Dated form of xerophile.
xiphioid
xiphioid
adj
(zoology) resembling or related to the family Xiphiidae (a group of fish).
(zoology) resembling or related to the genus Xiphias (swordfish).
noun
(zoology) Any member of the genus Xiphias or family Xiphiidae.
xiphiura
xiphodon
xiphodon
noun
An extinct camel-like animal of the genus Xiphodon.