modulus of elasticity vs coefficient of elasticity

modulus of elasticity and coefficient of elasticity both are nouns.

Word	Noun	Adjective	Verb	Adverb
modulus of elasticity	Yes	No	No	No
coefficient of elasticity	Yes	No	No	No

As nouns, modulus of elasticity and coefficient of elasticity are synonyms defined as:

modulus of elasticity and coefficient of elasticity: (physics) the ratio of the applied stress to the change in shape of an elastic body

Other synonyms of modulus of elasticity include elastic modulus.

modulus of elasticity (noun)	coefficient of elasticity (noun)
(physics) the ratio of the applied stress to the change in shape of an elastic body	(physics) the ratio of the applied stress to the change in shape of an elastic body