Terminal is a synonym of endorheic.

As a noun terminal

is terminal (at an airport etc).

As an adjective endorheic is

(of a lake or basin) internally drained; having no outlet.

Closed is a synonym of endorheic.

As adjectives the difference between closed and endorheic

is that closed is sealed, made inaccessible or impassable; not open while endorheic is (of a lake or basin) internally drained; having no outlet.

As a verb closed

is (close).

Endorheic is a antonym of exorheic.

In of a lake or basin terms the difference between exorheic and endorheic

is that exorheic is externally drained; having one or more outlets while endorheic is internally drained; having no outlet.

Open is a synonym of exorheic.

As a noun open

is .

As an adjective exorheic is

(of a lake or basin) externally drained; having one or more outlets.

As a verb melt

is to be proper.

As a noun melter is

a person or thing that melts.

As nouns the difference between furnace and melter

is that furnace is a device for heating while melter is a person or thing that melts.

As a verb furnace

is to heat in a furnace.

As nouns the difference between iron and melter

is that iron is pencil while melter is a person or thing that melts.

As nouns the difference between foundry and melter

is that foundry is a facility that melts metals in special furnaces and pours the molten metal into molds to make products. Foundries are usually specified according to the type of metal dealt with: iron foundry, brass foundry, etc while melter is a person or thing that melts.

As nouns the difference between laborer and melter

is that laborer is one who uses body strength instead of intellectual power to earn a wage, usually hourly while melter is a person or thing that melts.

As a noun monoid

is (mathematics) a set which is closed under an associative binary operation, and which contains an element which is an identity for the operation.

As an adjective monoidal is

of, pertaining to, or being a monoid.