embrittlement

is likely misspelled.

has no English definition.

As a noun embrittlement

is the process of being embrittled; loss of flexibility or elasticity of a material.

As nouns the difference between embrittlement and friableness

is that embrittlement is the process of being embrittled; loss of flexibility or elasticity of a material while friableness is the state or quality of being friable; friability.

Brittlement is likely misspelled.

Brittlement has no English definition.

As a noun embrittlement

is the process of being embrittled; loss of flexibility or elasticity of a material.

As nouns the difference between embrittlement and brittle

is that embrittlement is the process of being embrittled; loss of flexibility or elasticity of a material while brittle is (uncountable) a confection of caramelized sugar and nuts.

As an adjective brittle is

inflexible, liable to break or snap easily under stress or pressure.