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[1] [2] In physical and analytical chemistry, infrared spectroscopy (IR spectroscopy) is a technique used to identify chemical compounds based on the way infrared radiation is absorbed by the compound. The absorptions in this range do not apply only to bonds in organic molecules.
In linguistics, converses or relational antonyms are pairs of words that refer to a relationship from opposite points of view, such as parent/child or borrow/lend. [ 1 ] [ 2 ] The relationship between such words is called a converse relation . [ 2 ]
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, sometimes simply as lists of synonyms and antonyms.
Other contronyms are a form of polysemy, but where a single word acquires different and ultimately opposite definitions. For example, sanction—"permit" or "penalize"; bolt (originally from crossbows)—"leave quickly" or "fix/immobilize"; fast—"moving rapidly" or "fixed in place".
The No. 5 seed will play the No. 12 seed, No. 6 faces No. 11, No. 7 matches up with No. 10 and No. 8 meets No. 9. Winners of those games will advance to the quarterfinals. The Fiesta Bowl will be ...
After adjusting for dietary and lifestyle risk factors, researchers found those who ate at least five 1-ounce servings a week of any type of chocolate showed a significant 10% lower rate of type 2 ...
A U.S. judge in Texas on Thursday ruled against President Joe Biden's program offering a path to citizenship for certain immigrant spouses of U.S. citizens, a blow that could keep the program ...
There are two natural isotopes of iridium (77 Ir), and 37 radioisotopes, the most stable radioisotope being 192 Ir with a half-life of 73.83 days, and many nuclear isomers, the most stable of which is 192m2 Ir with a half-life of 241 years. All other isomers have half-lives under a year, most under a day.