sial Hear it!

sial Definition

sial (sī′al′)

noun

Geol. the upper layer of the crust of the earth, consisting of rocks rich in silica and alumina

Etymology: si(licon) + al(uminum)

sial Related Forms
si·al′ic adjective

Browse dictionary entries near sial

  1. ‹ siècle
  2. ‹ si
  3. ‹ shyster
  4. ‹ shyness
  5. ‹ Shylock
  6. ‹ shy
  7. ‹ shvartze
  8. ‹ shuttlecock
  9. ‹ shuttle diplomacy
  10. ‹ shuttle
  1. sialagogue ›
  2. sialid ›
  3. Sialkot ›
  4. sialoid ›
  5. Siam ›
  6. siamang ›
  7. Siamese ›
  8. Siamese twins ›
  9. Sian ›
  10. Siang ›