orphanage

Obsolete form of orpheline.

A hospital for orphans. / (uncountable) The act of supporting orphans.

plural of orphanotrophy

plural of orphan disease

Any disease for which drugs are not usually developed because it is too rare to make the development profitable.

(physiology) A receptor that has a similar structure to other identified receptors but whose endogenous ligand has not yet been identified

plural of orphanry

plural of orphan drug

simple past tense and past participle of orphanize