Adapted to the Present State of Literature and Science: the Additions of Todd and Webster, and Many Words in Modern Use Included in Former Dictionaries. Exhibiting the Pronunciation of Words in Unison with More Accurate Schemes of Sounds Than Any Yet Furnished, According to Principles Carefully and Laboriously Investigated : Explaining Their Meaning by Classification and Mutual Reference, as Well as by Improved Definitions; and Accompanied by I. Hints for Surmounting Defects of Utterance, Foreign, Provincial, Vulgar, and Impedimental. II. An Etymological Index of Common Terminations. III. A Key to the Pronunciation of Greek, Latin, and Scripture Proper Names. IV. A Brief Appendix on the Pronunciation of Modern Foreign Names. Supplement