Noun:

उदात्त, अभिषंग, दुष्ट, वाईट, अपघात, स्थिती, गैरसोय, अचानक दुर्दैव, आपत्ती,

diaster's Usage Examples:

In stereochemistry, an epimer is one of a pair of diastereomers.

A diastereoselective variation of this reaction is depicted below.

In the example shown below, the meso form of tartaric acid forms a diastereomeric pair with both levo and dextro tartaric acids.

diastereoselectivity: Pinoresinol biosynthesis involved a protein called a dirigent protein.

ketone and a monoterpene that occurs predominantly in two diastereomeric (epimeric) forms: (−)-α-thujone and (+)-β-thujone.

The Ophidiasteridae (Greek ophidia, Οφιδια, "of snakes", diminutive form) are a family of sea stars with about 30 genera.

formed in a substrate molecule and which produces the stereoisomeric (enantiomeric or diastereoisomeric) products in unequal amounts.

molecules exist as cyclic hemiacetals that are epimeric ( diastereomeric) to each other.

Oils from clastic source rocks tend to be rich in diasteranes.

wrongly named D-pseudoephedrine and the levorotary l-ephedrine (the diastereomer) wrongly L-ephedrine.

Chiral derivatizing agentChiral derivatizing agents react with enantiomers to give diastereomers.

(18 December 2018) CQ community commemorates 75th anniversary of air diaster, The Morning Bulletin.