: a heavy growth of hair : hairiness.

What does acetonide mean?

In organic chemistry, an acetonide is the functional group composed of the cyclic ketal of a diol with acetone. The more systematic name for this structure is an isopropylidene ketal. ... The protecting group can be removed by hydrolysis of the ketal using dilute aqueous acid.

What is Onychomalacia?

n. Abnormal softness of the fingernails or toenails.