Words similar to hardened

Example sentences for: hardened

How can you use “hardened” in a sentence? Here are some example sentences to help you improve your vocabulary:

After appropriate diffusion time [ 43 ] , the brains with the attached cochlear nerve were embedded in gelatin, hardened in 4% PFA over night, sectioned coronally on a vibratome (100 μm thickness) and viewed with a Biorad Radiance 2000 confocal system attached to a Nikon Eclipse 800 microscope.
The borders were not hardened.
Before the injection they're quite friendly--these are lab animals, remember, not hardened street rats.
The Castle Rock and Arthur’s Seat are the remains of lava streams that hardened after the two volcanoes around them became dormant and cold.
At a recent hearing on partial-birth abortion, Barr told a pro-choice witness that she and her allies were "very hardened, very cold, very callous ...