barrier

As a proper noun link

is (rare).

As a noun barrier is

a structure that bars passage.

As an adjective inseparable

is unable to be separated. Bound together permanently.

As a noun barrier is

a structure that bars passage.

As nouns the difference between barrier and barrel

is that barrier is a structure that bars passage while barrel is a round vessel or cask, of greater length than breadth, and bulging in the middle, made of staves bound with hoops, and having flat ends or heads. Sometimes applied to a similar cylindrical container made of metal, usually called a drum.

As a verb barrel is

to put or to pack in a barrel or barrels.

As nouns the difference between barrier and separator

is that barrier is a structure that bars passage while separator is an object located between two or more things and hence separates them.

As nouns the difference between membrane and barrier

is that membrane is a flexible enclosing or separating tissue forming a plane or film and separating two environments (usually in a plant or animal) while barrier is a structure that bars passage.

As a noun barrier

is a structure that bars passage.

As an adjective retaining is

of or pertaining to something that retains something else, as with a retaining wall.

As a verb retaining is

.

As nouns the difference between barrier and difference

is that barrier is a structure that bars passage while difference is the quality of being different.

As a verb difference is

to distinguish or differentiate.

As nouns the difference between shield and barrier

is that shield is anything that protects or defends; defense; shelter; protection while barrier is a structure that bars passage.

As a verb shield

is to protect, to defend.

As nouns the difference between hamper and barrier

is that hamper is a large basket, usually with a cover, used for the packing and carrying of articles or small animals; as, or hamper can be a shackle; a fetter; anything which impedes while barrier is a structure that bars passage.

As a verb hamper

is to put into a hamper or hamper can be to put a hamper or fetter on; to shackle; to ensnare; to inveigle; hence, to impede in motion or progress; to embarrass; to encumber.

As nouns the difference between barrier and septum

is that barrier is a structure that bars passage while septum is (anatomy) a wall separating two cavities; a partition; as, the nasal septum.