Sclerotic

Definition:

(a.) Hard; firm; indurated; -- applied especially in anatomy to the firm outer coat of the eyeball, which is often cartilaginous and sometimes bony.
(a.) Of or pertaining to the sclerotic coat of the eye; sclerotical.
(a.) Affected with sclerosis; sclerosed.
(n.) The sclerotic coat of the eye. See Illust. of Eye (d).
(a.) Pertaining to, or designating, an acid obtained from ergot or the sclerotium of a fungus growing on rye.

Compare sclerotic with other words:

sclerotia vs. sclerotic