A perfect dictionary for quick, on-the-go language reference features 40,000 entries as well as clear, concise, definitions, variant spellings, and pronunciatio

New edition! A handy, reliable, and authoritative dictionary of words most frequently used in Englis. More than 75,000 definitions, 2,000 new word entries, and

Among the many topics covered in this handy, pocket-sized guide are air and gases, carpentry and construction, pipes, pumps, computers, electronics, geology, ma

"Integrated language tools: Synonym lists and dictionary entries combined alphabetically; Clear and concise word guidance; Abundant usage examples; Supports Com