(medicine) a radioisotope used in medicine

(organic chemistry) The tricyclic heterocycle that is the basis of the flavins; any derivative of this compound

(organic chemistry) An isomer of a bridged organic compound in which a particular substituent is located furthest from the longest bridge

(organic chemistry) An isomer of a bridged organic compound in which a particular substituent is located closest to the longest bridge.

plural of isosceles triangle

plural of isoalkane

(organic chemistry) Any branched-chain alkane, but especially one having a methyl group attached to the penultimate carbon atom of the main chain

A collection of a building’s structural elements resting on its foundation to provide partial separation of the building from shaking ground thus upgrading the building's seismic fitness. For video demonstration, click here: http://www.youtube.com/user/vshustov#p/f/11/ZqlXp3czrrM

plural of isoacceptor

(biochemistry) Any of a group of transfer RNA acceptors that can accept the same amino acid