Dorland's Illustrated Medical Dictionary 31st Edition. First published in 1900, Dorland's Illustrated Medical Dictionary is universally acknowledged as the world's finest medical dictionary. It delivers more entries and better definitions than any other medical dictionary - so you can master more of the current terminology that you need to know. A wealth of illustrations and a user-friendly format make reference a snap. Bonus software on CD-ROM lets you load key terms and definitions onto your PDA ... spell medical terms correctly using spell-checker software ... and listen to audio pronunciations for 35,000 terms. Over 120,000 entries - more than any other medical dictionary provides - include the latest drugs as well as extensive coverage of complimentary and alternative medicine. Know exactly what each term means with definitions that are the richest, most accurate available. Understand concepts visually by viewing more than 1500 extremely helpful illustrations, many in full color. Find answers faster thanks to the most user-friendly format of any medical dictionary. The new 31st Edition incorporates the depth, accuracy, clarity and ease of use that have made Dorland's the best-selling dictionary of all time.