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Ahoy (/ ə ˈ h ɔɪ /) (listen ⓘ) is a signal word used to call to a ship or boat.It is derived from the Middle English cry, ' Hoy! '. [1] [better source needed] The word fell out of use at one time, but was revived when sailing became a popular sport.
The heat index (HI) is an index that combines air temperature and relative humidity, in shaded areas, to posit a human-perceived equivalent temperature, as how hot it would feel if the humidity were some other value in the shade. For example, when the temperature is 32 °C (90 °F) with 70% relative humidity, the heat index is 41 °C (106 °F ...
Hydrogen iodide (HI) is a diatomic molecule and hydrogen halide. Aqueous solutions of HI are known as hydroiodic acid or hydriodic acid, a strong acid.Hydrogen iodide and hydroiodic acid are, however, different in that the former is a gas under standard conditions, whereas the other is an aqueous solution of the gas.
Hello, with that spelling, was used in publications in the U.S. as early as the 18 October 1826 edition of the Norwich Courier of Norwich, Connecticut. [1] Another early use was an 1833 American book called The Sketches and Eccentricities of Col. David Crockett, of West Tennessee, [2] which was reprinted that same year in The London Literary Gazette. [3]
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The continuous radio Morse message "hi hi hi ..." by the first private satellites called OSCAR, beginning with OSCAR 1 in 1961 (recording from OSCAR 2 , 1962) Pre-dating the Internet and phone texting by a century, the way to express laughter in morse code is "hi hi". [ 52 ]
Congenital hyperinsulinism (HI or CHI) is a rare condition causing severe hypoglycemia (low blood sugar) in newborns due to the overproduction of insulin. [5] There are various causes of HI, some of which are known to be the result of a genetic mutation. [6]
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.