1. Rock that form the continuous lower layer of the earth's crust; rich in silicon and magnesium

Derived forms: simas

Type of: rock, stone

Part of: crust, Earth's crust

Encyclopedia: Sima, Comoros Sima Sima, Tibet Sima, Hungary

• Xenicus
• Xenicus gilviventris
• xeno-
• xenobiotic
• xenogeneic
• xenogenesis
• xenograft
• xenolith
• xenon
• Xenophanes
• xenophobe
• xenophobia
• xenophobic
• Xenophon
• Xenopodidae
• Xenopus
• Xenopus laevis
• Xenorhyncus
• Xenorhyncus asiaticus
• Xenosauridae
• Xenosaurus
• xenotime
• xenotransplant
• xenotransplantation
• xeranthemum