stoichiology
Webster's Dictionary (GCIDE)
Stoichiology \Stoi`chi*ol"o*gy\, n. [Gr. ? a first element + -logy.] [Written also stoechiology.]
1.That part of the science of physiology which treats of the elements, or principles, composing animal tissues. [1913 Webster]
2.(Logic) The doctrine of the elementary requisites of mere thought. --Sir W. Hamilton. [1913 Webster]
3.The statement or discussion of the first principles of any science or art. [1913 Webster] Stoichiometric