It's ARCTIC. It refers to the region between the north pole and the northern timberlands of the continents in the northern hemisphere. It also means extremely cold. Here are some sentences.
As a noun: "I am going on a trip to the Arctic to do a scientific study." As a verb: "Chicago has been experiencing Arctic conditions recently."
The word "Arctic" is capitalized.
Eskimos live in the Arctic.
Polar bears and penguins live in arctic areas.
Yes, you can use permafrost in a sentence. Example:Another word for cubed ice is "permafrost".
The temperature dropped so low, Rob decided this must be what an arctic blast feels like. The word arctic refers to the area around the North Pole.
The small arctic fox made its way across the seemingly barren tundra searching for food.
Can you use the word concluding in a sentence? Done.
You can use the word Truss in a sentence like this.
Just use it! Or do you mean, can you use the word beheld in a sentence.
How do you use the word decibel in a sentence?What is decibel used for?
Since that is not a word I would not attempt to use it in a sentence.