15-Letter Words Containing: _,E,R,R,T,T,Y

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

• the 400th anniversary (or the celebration of it)

• generation of an electric charge on certain crystals (such as tourmaline) as a result of a change in temperature

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

• 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

• with regard to architecture