(pathology) A gap or space between two adjacent teeth, especially the upper front incisors (in humans). / (pathology) any abnormal space, fissure, or cleft in an organ or part of the body.

Of or pertaining to diastema. / (music) Describing a musical notation in which the pitch of a note is represented by its vertical position on the page.

(biochemistry) Any one of a group of enzymes which catalyse the breakdown of starch into maltose; mostly amylases (α-amylase and β-amylase).

plural of diastase

(medicine) A separation between two parts, such as separation of a bone, without fracture. / The property of being diastatic, i.e. having germinated.

(chemistry) A stereoisomer having multiple chiral centres; a diastereoisomer cannot normally be superimposed on the mirror image of another.

(chemistry) Of or pertaining to diastereoisomers or diastereoisomerism

(chemistry) Any form of stereoisomerism other than enantiomerism

plural of diastereoisomerism

Relating to diastereochemistry.