Completely revised and enlarged based on the recent Fourth Edition of Webster's New World Pocket Dictionary, this perennial bestseller now includes more than 37,000 entries. Clear, concise definitions instantly provide reliable information about thousands of terms and meanings in every area of contemporary language. Updated reference supplements make this the most readable and useful pocket dictionary available today.
THE MOST USEFUL AND AUTHORITATIVE DICTIONARY YOU CAN OWN—OVER 163,000 ENTRIES Selected by the Associated Press, The Wall Street Journal, The New York Times, and other leading newspapers as their official dictionary of choice. Up-to-Date Entries for Today's World Nearly 7,500 new entries bring meaning and understanding to changes in lifestyles, technology, medicine, society, world politics and cultures, and more. Over 850 Illustrations, Photographs, and Maps Important people, places, objects, and concepts are clearly illustrated to help you recognize and identify them. Expanded Reference Information with a 4-Color World Atlas Numerous tables, charts, and lists provide a handy reference to geographical and other useful data. A special section also includes important historical documents, a guide to punctuation, and full-color maps of the world. Thousands of Geographical and Biographical Entries The people and places that shape our world are fully covered. Entries are part of the A-Z body of the dictionary, so they are easy to find. Many entries include maps or photographs. Helpful Notes, Examples, and Synonyms To help you choose words precisely, usage notes give important cautions and explanations. Examples put words into meaningful context. Synonym notes list related words and point out important differences in meaning. Easy to Read and Use Each page is designed so you don't have to work to find the information you want. The Definitive Guide to American English Webster's New World College Dictionary includes more unique Americanisms—nearly 12,000—than any other college dictionary. Its crisp, dynamic defining style is itself uniquely American.
For 50 years, Webster's New World has set the standard for clarity, ease of use, and reliability in English-language reference. The flagship product, Webster's New World TM College Dictionary -- now available in a special 50th anniversary printing of the fourth edition -- is the reference of choice for the Associated Press, most leading U.S. newspapers, and discerning businesspeople and students everywhere. The Webster's New World brand also includes many other outstanding reference titles: -- Authoritative dictionaries, thesauri, and other desk references for home and office -- Definitive handbook and notebook references that are ideal for students and business people -- Children's dictionaries and study aids to provide fun learning at an early age -- Handy pocket reference titles for people on the go -- Concise reference titles on specific topics from medicine to crossword puzzlesDesigned for students in English or ESL classes as well as business people who want to improve their communications skills, this authoritative reference will help anyone speak and write more effectively. The book provides crystal-clear coverage of grammar basics -- from parts of speech and punctuation to tenses, clauses, and usage. But unlike other grammar guides, it also provides hundreds of examples that show how to apply grammatical rules in real-world writing situations.With its Webster's New World name, peerless practical guidance, and attractive price, this is sure to become the grammar guide of choice for everyone who wants to use the English language with confidence.
With the continued implementation of new equipment and new concepts and methods, such as hydroponics and soilless practices, crop growth has improved and become more efficient. Focusing on the basic principles and practical growth requirements, the Complete Guide for Growing Plants Hydroponically offers valuable information for the commercial grower, the researcher, the hobbyist, and the student interested in hydroponics. It provides details on methods of growing that are applicable to a range of environmental growing systems. The author begins with an introduction that covers the past, present, and future of hydroponics. He also describes the basic concepts behind how plants grow, followed by several chapters that present in-depth practical details for hydroponic growing systems: The essential plant nutrient elements The nutrient solution Rooting media Systems of hydroponic culture Hydroponic application factors These chapters cover the nutritional requirements of plants and how to best prepare and use nutrient solutions to satisfy plant requirements, with different growing systems and rooting media, under a variety of conditions. The book gives many nutrient solution formulas and discusses the advantages and disadvantages of various hydroponic systems. It also contains a chapter that describes a school project, which students can follow to generate nutrient element deficiency symptoms and monitor their effects on plant growth.