Definitions

1. noun

a condition of hardening or induration of a part of the body, especially the arteries, kidneys, or brain, resulting from disease or injury

“The patient suffered from sclerotic arteries, which led to a heart attack.”

2. noun

a hardening or hard part of an organism, such as a shell or a beak

“The calcified shell of the turtle is an example of sclerotic tissue.”

3. noun

a hardening or hardening process in plants, resulting in woody tissue

“The sclerotic layer of a tree trunk protects it from disease and insects.”