As nouns the difference between microorganism and xanthopterin

is that microorganism is while xanthopterin is a yellow crystalline solid that occurs mainly in the wings of butterflies and in the urine of mammals, converted by microorganisms into folic acid.

As a noun xenodiagnosis

is diagnosis of an infectious disease (especially of trypanosomiasis) by exposure to a vector of that disease, incubating the vector and examining it for the presence of the disease.

As an adjective xenodiagnostic is

of or pertaining to xenodiagnosis.

As a noun xenolith

is (geology) any piece of rock having a different origin to that of the igneous rock in which it is found.

As an adjective xenolithic is

being or pertaining to a xenolith.

In obsolete terms the difference between mouth and xerostoma

is that mouth is to make mouths at while xerostoma is the condition of having a dry mouth.

As nouns the difference between mouth and xerostoma

is that mouth is the opening of a creature through which food is ingested while xerostoma is the condition of having a dry mouth.

As a verb mouth

is to speak; to utter.

As nouns the difference between xylotomy and xylotomist

is that xylotomy is (botany) the art of preparing sections of wood (as by means of a microtome) for microscopic examination while xylotomist is a person involved in xylotomy.

As nouns the difference between crystalline and xanthopterin

is that crystalline is any crystalline substance while xanthopterin is a yellow crystalline solid that occurs mainly in the wings of butterflies and in the urine of mammals, converted by microorganisms into folic acid.

As an adjective crystalline

is of, relating to, or composed of crystals.

As an acronym solid

is (programming|object-oriented).

As a noun xanthopterin is

a yellow crystalline solid that occurs mainly in the wings of butterflies and in the urine of mammals, converted by microorganisms into folic acid.

As a proper noun eye

is (uk|colloquial) the comedic magazine.

As a noun keratomalacia is

an eye disorder that leads to a dry cornea, often caused by a deficiency of vitamin a.

As nouns the difference between disorder and keratomalacia

is that disorder is absence of order; state of not being arranged in an orderly manner while keratomalacia is an eye disorder that leads to a dry cornea, often caused by a deficiency of vitamin a.

As nouns the difference between cornea and keratomalacia

is that cornea is (label) (layer forming the front of the eye) while keratomalacia is an eye disorder that leads to a dry cornea, often caused by a deficiency of vitamin a.

As an adjective cornea

is .