si·al 
(sīăl′)
(sīăl′)n.
Rock rich in silicon and aluminum forming the upper layer of the earth's crust beneath all continental landmasses.
[SI(LICON) + AL(UMINUM).]
- intravascularly
- intravenous
- intravenously
- intravenous pyelogram
- intravenous pyelography
- intravital
- intravitally
- intreat
- intrench
- intrench
- intrepid
- intrepidity
- intrepidly
- intrepidness
- intricacy
- intricate
- intricately
- intricateness
- intrigue
- intriguer
- intriguing
- intriguingly
- intrinsic
- intrinsically
- intrinsic factor