His callous treatment of the animal resulted in it having to be put down .
Stealing the coats was a callous act.
1) My brother was being so callous while I told him I fell off a horse and got hurt.
If you don't agree with the editorial in the newspaper, feel free to wirte a rebuttal.
The girl's constant cajoling was a catalyst in the circumstance of the callous murder.
If you're talking about the the process of creating extra tissue, write "callus formation." If you're describing the tissue itself, you might write "callous formation," but typically you would just use the word "callus." "Callous" is also an adjective that means something akin to cruel.
You can use the word Truss in a sentence like this.
Can you use the word concluding in a sentence? Done.
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?
You can use the word Terrorist in a sentence as " Muslims are not terrorist ".
You just did use the word colonize in a sentence.
Since that is not a word I would not attempt to use it in a sentence.