15-Letter Words Containing: T,E,R,R,E,T,S

• the branch of chemistry that studies the relation between chemical action and the amount of heat absorbed or generated

• having a symmetrical arrangement of radiating parts about a central point

• A device that uses diffraction (especially X-ray diffraction) to investigate the structure of matter.

• The branch of chemistry that involves the spatial arrangement of the atoms of molecules, and studies how this affects the physical and chemical properties of such species

• The effect of such spatial arrangement on the chemistry of a particular compound

• in a manner contemplative of past events