Able to hear, as opposed to deaf.
The sense used to perceive sound.
A proceeding at which discussions are heard.
The act by which something is heard.
A legal procedure done before a judge, without a jury, as with an evidentiary hearing.
Involving direct communication between two people.
Matching each member of one set with exactly one member of another set.
Injective, being an injection: having the property that no two elements of the domain are mapped to the same image.
A personal relationship between two people.