Author: Glossary

A coal tar- derived chemical that is the basis of some dyes and stains.  

Consisting of three phases or stages, said of electric currents. Comprising three phases or variations.  

A deformity marked by the presence of three phalanges in a thumb or great toe.  

Diphtheria and tetanus toxoids and acellular pertussis vaccine adsorbed. Dtap vaccine.  

A woman who has had three pregnancies that have lasted beyond 20 weeks or that have produced an infant of at least 500 g; also designated Para III. A woman who has experienced three pregnancies, each resulting in the birth of a viable child.  

An agent used to promote repigmentation in vitiligo. Trade name is Trisoralen.  

The condition of having three testicles.  

A person who has three testicles.  

A yellow crystalline powder that precipitates proteins. It is used as a dye and as a reagent.  

Having three different forms as the larva, pupa, and adult of certain insects.