
Already just a few chapters into Edward Abbey's Desert Solitaire, I've grabbed my dictionary or dictionary.com far more than for any book I've read in a while.
- Catalysis - the causing or accelerating of a chemical change by the addition of a catalyst; an action between two or more persons or forces, initiated by an agent that itself remains unaffected by the action; also dissolution; degeneration; decay
- Corraded - (of a moving agent, as running water, wind, or a glacier) to erode by the abrasion of materials carried along; to disintegrate as a result of corrasion, as the rock underlying the brink of a waterfall
- Usufructuary - adj. of, pertaining to, or of the nature of usufruct; n. a person who has a usufruct property
- Thus, Usufruct - the right of enjoying all the advantages derivable from the use of something that belongs to another, as far as is compatible with the substance of the thing not being destroyed or injured
- Caduceus - the staff carried by Mercury as messenger of the gods

a. Winged rod with two serpents and leaves wound around it, called the Wand of Hermes (of which deity, it is an attribute).
b. Herald's rod, or wreathed olive-branch, originally wingless.