birth defect vs colour vision deficiency

colour vision deficiency vs birth defect

birth defect and colour vision deficiency both are nouns.

Word	Noun	Adjective	Verb	Adverb
birth defect	Yes	No	No	No
colour vision deficiency	Yes	No	No	No

As nouns, colour vision deficiency is a hyponym of birth defect; that is, colour vision deficiency is a word with a more specific, narrower meaning than birth defect:

birth defect: a defect that is present at birth
colour vision deficiency: genetic inability to distinguish differences in hue

Other hyponyms of birth defect include ablepharia, albinism, anencephalia, anencephaly, ametria, color blindness, color vision deficiency, colour blindness, epispadias, clinocephalism, clinocephaly, clinodactyly, macroglossia, Down's syndrome, Down syndrome, mongolianism, mongolism, trisomy 21, acrocephaly, oxycephaly, cheiloschisis, cleft lip, harelip, cleft palate, amelia, meromelia, encephalocele, meningocele, myelomeningocele, plagiocephaly, polysomy, hermaphrodism, hermaphroditism, pseudohermaphroditism, scaphocephaly, congenital heart defect, rachischisis, schistorrhachis, spina bifida, spinocerebellar disorder, hyperdactyly, polydactyly, syndactylism, syndactyly, ankyloglossia, tongue tie.

birth defect (noun)	colour vision deficiency (noun)
a defect that is present at birth	genetic inability to distinguish differences in hue

Difference between birth defect and colour vision deficiency

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