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The vocabulary contains approximately 6,000 terms, with definitions for some 1,250 concepts. It has been prepared in accordance with current terminological methods: equivalence of terms was confirmed by consulting recent and reliable sources in both English and French. It is intended as a flexible tool for responding quickly to terminological needs in the environmental sciences. It includes an example of usage of the entry and defines the concept.
Ce document regroupe, dans l'ordre alphabétique strict des entrées principales anglaises, "quelque 600 dossiers relatifs à la pollution acide ainsi que des termes reliés à la pollution atmosphérique en général". L'index permet le repérage des unités françaises. [SDM].
This dictionary has been improved through the addition of English definitions, parallel to the existing French definitions, while all equivalencies have been reviewed in light of the most up-to-date sources. The terms are in alphabetical order according to the English key terms, and it includes a French-English glossary. The terms in the new dictionary remain essentially the same, with approximately 1,000 concepts and some 3,000 terminological units in the two official languages. It covers three sub-fields, namely physicochemical reactions involving ozone in the atmosphere, atmospheric layers, and the symptomatology of skin cancers caused by the sun's rays.