As a noun retard

is retardation; delay.

As a verb retard

is to keep delaying; to continue to hinder; to prevent from progress; to render more slow in progress; to impede; to hinder.

As an adjective chondroprotective is

that retards degradation of articular cartilage.

As a noun degradation

is the act of reducing in rank, character, or reputation, or of abasing; a lowering from one's standing or rank in office or society; diminution; as, the degradation of a peer, a knight, a general, or a bishop.

As an adjective chondroprotective is

that retards degradation of articular cartilage.

As adjectives the difference between articular and chondroprotective

is that articular is (anatomy) of, at, or relating to the joints of the body while chondroprotective is that retards degradation of articular cartilage.

As nouns the difference between protein and phytocyanin

is that protein is protein while phytocyanin is (protein) any of a family of blue, copper-containing proteins present in many plants.

As adjectives the difference between specific and chirospecific

is that specific is explicit or definite while chirospecific is (chemistry) relating to, or producing specific enantiomers of a chiral compound.

As a noun specific

is a distinguishing attribute or quality.

In chemistry terms the difference between enantiomer and chirospecific

is that enantiomer is one of a pair of stereoisomers that is the mirror image of the other, but may not be superimposed on this other stereoisomer. Almost always, a pair of enantiomers contain at least one chiral center, and a sample of either enantiomer will be optically active while chirospecific is relating to, or producing specific enantiomers of a chiral compound.

As a noun enantiomer

is one of a pair of stereoisomers that is the mirror image of the other, but may not be superimposed on this other stereoisomer. Almost always, a pair of enantiomers contain at least one chiral center, and a sample of either enantiomer will be optically active.

As an adjective chirospecific is

relating to, or producing specific enantiomers of a chiral compound.

As adjectives the difference between chiral and chirospecific

is that chiral is of an object that exhibits chirality, as in the left-handed and right-handed versions of a helix while chirospecific is (chemistry) relating to, or producing specific enantiomers of a chiral compound.

Stereospecific is a see also of chirospecific.

As adjectives the difference between stereospecific and chirospecific

is that stereospecific is showing stereospecificity while chirospecific is (chemistry) relating to, or producing specific enantiomers of a chiral compound.

As a noun cartilage

is (anatomy) a type of dense, non-vascular connective tissue, usually found at the end of joints, the rib cage, the ear, the nose, in the throat and between intervertebral disks.

As an adjective chondrogenic is

that produces cartilage.

As nouns the difference between compulsion and cacoethes

is that compulsion is an irrational need to perform some action, often despite negative consequences while cacoethes is compulsion; mania.