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  2. 1-Nitropyrene - Wikipedia

    en.wikipedia.org/wiki/1-nitropyrene

    1-Nitropyrene is a by-product of combustion and is the predominant nitrated polycyclic aromatic hydrocarbon emitted in a diesel engine. [ 1 ] 1-Nitropyrene is listed as an IARC Group 2B carcinogen , [ 2 ] indicating it is possibly carcinogenic to humans.

  3. Diesel exhaust - Wikipedia

    en.wikipedia.org/wiki/Diesel_exhaust

    [8] [9] [10] However, the lean-burning nature of diesel engines and the high temperatures and pressures of the combustion process result in significant production of NO x (gaseous nitrogen oxides ), an air pollutant that constitutes a unique challenge with regard to their reduction.

  4. Glossary of chemistry terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_chemistry_terms

    A non-SI, metric unit of length equal to 10 −10 metre, i.e. 1 ⁄ 10000000000 of a metre or 0.1 nanometre. The angstrom is commonly used in the natural sciences to express microscopic or atomic-scale distances, including the sizes of atomic nuclei, wavelengths of electromagnetic radiation, and lengths of chemical bonds (e.g. the covalent ...

  5. WordNet - Wikipedia

    en.wikipedia.org/wiki/WordNet

    The synonyms are grouped into synsets with short definitions and usage examples. It can thus be seen as a combination and extension of a dictionary and thesaurus. Its primary use is in automatic text analysis and artificial intelligence applications.

  6. List of online dictionaries - Wikipedia

    en.wikipedia.org/wiki/List_of_online_dictionaries

    Geiriadur Prifysgol Cymru an online dictionary of the Welsh language; Plena Ilustrita Vortaro de Esperanto Esperanto dictionary; Reta Vortaro Esperanto dictionary; Susning.nu free Swedish online dictionary, opened 2001, now defunct; Svenska Akademiens ordbok Swedish dictionary; Van Dale dictionary of the Dutch language; William Whitaker's Words ...

  7. 100+ new child sex abuse lawsuits filed against Illinois ...

    www.aol.com/100-child-sex-abuse-lawsuits...

    CHICAGO (CBS) -- Dozens more victims have come forward claiming they were sexually assaulted while in juvenile correction centers run by the state of Illinois and Cook County.

  8. Thesaurus - Wikipedia

    en.wikipedia.org/wiki/Thesaurus

    Thesaurus Linguae Latinae. A modern english thesaurus. A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms ...

  9. Roget's Thesaurus - Wikipedia

    en.wikipedia.org/wiki/Roget's_Thesaurus

    The original edition had 15,000 words and each successive edition has been larger, [3] with the most recent edition (the eighth) containing 443,000 words. [6] The book is updated regularly and each edition is heralded as a gauge to contemporary terms; but each edition keeps true to the original classifications established by Roget. [2]