Stoi`chi*ol"o*gy (?), n. [Gr. a first element + -logy.] [Written also stechiology.]

1.

That part of the science of physiology which treats of the elements, or principles, composing animal tissues.

2. Logic

The doctrine of the elementary requisites of mere thought.

Sir W. Hamilton.

3.

The statement or discussion of the first principles of any science or art.

© Webster 1913.