Contains definitions for more than 4,600 telecommunications terms and acronyms arranged from A to Z, and includes separate sections for symbols and numbers.

The ideal guide to choosing the right word. Entries go beyond the word lists of a thesaurus, explaining important differences between synonyms. Provides over 17,000 usage examples. Lists antonyms and related words.

A handy guide to problems of confused or disputed usage based on the critically acclaimed Merriam-Webster's Dictionary of English Usage. Over 2,000 entries explain the background and basis of usage controversies and offer expert advice and recommendations.