Here's how it's used in different contexts:
Geology:
* Strata: Layers of rock or sediment deposited over time.
* Stratigraphy: The study of layered rocks and their relationships.
* Stratotype: A reference point for a specific geological layer.
Archaeology:
* Stratigraphic excavation: Digging through layers of soil to reveal archaeological remains.
* Stratigraphic sequence: The order of layers in an archaeological site.
Other contexts:
* Stratosphere: A layer of Earth's atmosphere.
* Stratagem: A clever trick or scheme.
The suffix "-strat" ultimately comes from the Latin word "stratum," meaning "layer" or "bed."
It's important to note that the meaning of "-strat" can vary depending on the specific word. If you encounter an unfamiliar word ending in "-strat," it's best to look it up in a dictionary to determine its precise meaning.