Noah Webster's 1828 American Dictionary of the English Language is regarded by many as the finest English
dictionary ever published. The dictionary is available in many forms. I made the content available here for my own purposes,
out of personal admiration for this particular dictionary.
AM'PHIBOLE, n. [Gr. equivocal.] A name given by Hauy to a species of minerals, including the Tremolite, Hornblend, and Actinolite. Its primitive form is an oblique rhombic prism.