
1) Medicinal chemistry
Found on
https://www.crosswordclues.com/clue/bioisostere

In medicinal chemistry, bioisosteres are substituents or groups with similar physical or chemical properties which produce broadly similar biological properties to a chemical compound. In drug design, the purpose of exchanging one bioisostere for another is to enhance the desired biological or physical properties of a compound without making signi...
Found on
http://en.wikipedia.org/wiki/Bioisostere

A bioisostere is a compound resulting from the exchange of an atom or of a group of atoms with another, broadly similar, atom or group of atoms. The objective of a bioisosteric replacement is to create a new compound with similar biological properties to the parent compound. The bioisosteric replacement may be physicochemically or topologically ba...
Found on
http://www.chem.qmul.ac.uk/iupac/medchem/ah.html

A bioisostere is a compound resulting from the exchange of an atom or of a group of atoms with another, broadly similar, atom or group of atoms. The objective of a bioisosteric replacement is to create a new compound with similar biological properties to the parent compound. The bioisosteric replacement may be physicochemically or topologically bas...
Found on
http://www.chemistry-dictionary.com/definition/bioisostere.php

A compound resulting from the exchange of a group of atoms with another and having similar biological properties to the parent compound.
Found on
http://www.drugdesign.com/web/teaching/glossary
No exact match found.