As a proper noun sirius

is (star) a bluish-white star in the constellation canis major; alpha (α) canis majoris a vertex of the winter triangle and the brightest star in the night sky it is actually a binary star with a white dwarf companion star.

As an adjective sirian is

(eo-form of).

As nouns the difference between autacoid and kinin

is that autacoid is a hormone or similar compound while kinin is quinine or kinin can be kinin.

As nouns the difference between kallikrein and kinin

is that kallikrein is any of a set of peptidases, a subgroup of the serine protease family while kinin is quinine or kinin can be kinin.

As nouns the difference between vasodilation and kinin

is that vasodilation is dilation of the blood vessels while kinin is quinine or kinin can be kinin.

As adjectives the difference between projectable and unprojectable

is that projectable is able to be projected while unprojectable is not projectable.

As nouns the difference between polycyclic and anthanthrene

is that polycyclic is such a compound while anthanthrene is anthanthrene.

As an adjective polycyclic

is (chemistry) having two or more rings of atoms in the molecule.

As nouns the difference between aromatic and anthanthrene

is that aromatic is a fragrant plant or spice added to a dish to flavour it while anthanthrene is anthanthrene.

As an adjective aromatic

is fragrant or spicy.

As nouns the difference between hydrocarbon and anthanthrene

is that hydrocarbon is (organic chemistry) a compound consisting only of carbon and hydrogen atoms while anthanthrene is anthanthrene.

As a noun fricative

is any of several sounds produced by air flowing through a constriction in the oral cavity and typically producing a sibilant, hissing, or buzzing quality; a fricative consonant. English /f/ and /s/ are fricatives.

As an adjective fricative

is produced by air flowing through a restriction in the oral cavity.

As an adverb fricatively is

in a fricative way.

As nouns the difference between fricative and fricativeness

is that fricative is (phonetics) any of several sounds produced by air flowing through a constriction in the oral cavity and typically producing a sibilant, hissing, or buzzing quality; a fricative consonant english /f/ and /s/ are fricatives while fricativeness is the state or condition of being fricative.

As an adjective fricative

is (phonetics) produced by air flowing through a restriction in the oral cavity.