Photonics Dictionary - dictionary and resource for the photonics industry. Visionary - a dictionary for the study of human and animal vision, including terms from biological and machine vision, visual psychophysics, visual neuroscience, and other related fields. Visual Dictionary of Special Plane Curves - including description, history, formulas, properties, and links for each. How to Have Good Sex Dictionary Slang Alternative Dictionaries - collaborative international slang dictionary. Da Bomb - the 411 on the hip talk in the hallowed halls.
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Dictionary of Slang - vast collection of universal slang used in Britain, with a focus on the northwest of England, in particular Manchester. Jom Ngomong2x - comparisons of Indonesian and Malaysian slang. London Slang Page - deals with slang usage in and around London. New Words in English - neologisms and novel uses of words in English. The words give a good picture of the creative aspects of word formation and use in present day English.