carotene

As a noun carotene

is carotene.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between carotene and benzidine

is that carotene is a class of tetraterpene plant pigments; they vary in colour from yellow, through orange to red, this colour originating in a chain of alternating single and double bonds while benzidine is the aromatic diamine 4,4'-diaminobiphenyl that is used in testing for cyanide, and for traces of blood.

As nouns the difference between carotene and keratin

is that carotene is a class of tetraterpene plant pigments; they vary in colour from yellow, through orange to red, this colour originating in a chain of alternating single and double bonds while keratin is a protein which hair and nails are comprised of.

As nouns the difference between carotenoids and carotene

is that carotenoids is while carotene is carotene.

As a proper noun melanin

is .

As a noun carotene is

carotene.

As nouns the difference between carotene and betacarotene

is that carotene is a class of tetraterpene plant pigments; they vary in colour from yellow, through orange to red, this colour originating in a chain of alternating single and double bonds while betacarotene is alternative form of beta-carotene.

Acarotene is likely misspelled.

Acarotene has no English definition.

As a noun carotene

is a class of tetraterpene plant pigments; they vary in colour from yellow, through orange to red, this colour originating in a chain of alternating single and double bonds.

As a noun carotene is

carotene.

As nouns the difference between carotene and cerotene

is that carotene is a class of tetraterpene plant pigments; they vary in colour from yellow, through orange to red, this colour originating in a chain of alternating single and double bonds while cerotene is a white waxy solid obtained from Chinese wax, and by the distillation of cerotin.