Websites targeting keyword dictionary of units

Units dictionary and conversion, space and time, mechanics, heat/energy, electricity and magnetism, light, radiation, acoustics.

The ultimate #tagcoder resource, this page defines unique hashtags for innumerable sustainable development topics, local government units (#WWlgu), sustainable development goals and targets (#SDGs), economic activities (ISIC), functions of government (COFOG), purposes of development initiatives (#DAC and #CRS), and the articles of the Addis Ababa Action Agenda.

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Helpful A-Z glossary listing key sound and vibration terms and their definitions. We also explain what the 'terms' mean in the practical world