| SIL | a time usually late summer characterized by exaggerated news stories about frivolous matters for want of real news |
|---|---|
| SIL | a cylindrical tower used for storing silage |
| SIL | military installation consisting of an underground structure where ballistic missiles can be stored and fired |
| SIL | any of a large class of compounds that have alternate silicon and oxygen atoms |
| SIL | tall North American perennial herbs |
| SIL | North American perennial having a resinous odor and yellow flowers |
| SIL | mud or clay or small rocks deposited by a river or lake |
| SIL | become chocked with silt, of rivers and lakes |
| SIL | become chocked with silt, of rivers and lakes |
| SIL | a fine-grained sandstone of consolidated silt |
| SIL | full of silt |
| SIL | from 405 million to 425 million years ago |