HEATKEYS

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Data on 6,500 pesticides, insecticides and herbicides including toxicity, water pollution, ecological toxicity, uses and regulatory status.

Search, browse and learn about the Federal Register. Federal Register 2.0 is the unofficial daily publication for rules, proposed rules, and notices of Federal agencies and organizations, as well as executive orders and other presidential documents.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

ChemSpider is a free chemical structure database providing fast access to over 26 million structures, properties and associated information.

Alan Wood’s home page, with links to pages on pesticide common names, Unicode, HTML 4 entities, Symbol font, character sets, and Olympus close-up photography equipment.