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  2. hour: hora: qhs, h.s., hs at bedtime or half strength quaque hora somni ii two tablets duos doses iii three tablets trēs doses n.p.o., npo, NPO nothing by mouth / not by oral administration: nil per os o.d., od, OD right eye. once a day (United Kingdom) oculus dexter omne in die o.s., os, OS left eye: oculus sinister o.u., ou, OU both eyes ...

  3. Criticism of the Quran - Wikipedia

    en.wikipedia.org/wiki/Criticism_of_the_Quran

    You say: "Whoever denies it, let him produce a similar one." Indeed, we shall produce a thousand similar, from the works of rhetoricians, eloquent speakers and valiant poets, which are more appropriately phrased and state the issues more succinctly. They convey the meaning better and their rhymed prose is in better meter. ...

  4. Jinn - Wikipedia

    en.wikipedia.org/wiki/Jinn

    Jinn (Arabic: جِنّ ‎), also romanized as djinn or anglicized as genies, are invisible creatures in early pre-Islamic Arabia and later in Islamic culture and beliefs. [1] Like humans, they are accountable for their deeds and can be either believers ( Muslims ) or disbelievers ( kafir ), depending on whether they accept God 's guidance.

  5. Jihad verse - Wikipedia

    en.wikipedia.org/wiki/Jihad_verse

    Jihad verse. Certain verses ( āyāt) from the Qur'an have been a subject of controversy among scholars. The 216th verse of the Surah, Al-Baqara ( The Cow) is about Jihad in the way of God . كُتِبَ عَلَيْكُمُ ٱلْقِتَالُ وَهُوَ كُرْهٌ لَّكُمْ ۖ وَعَسَىٰٓ أَن تَكْرَهُوا۟ ...

  6. Ultraviolet index - Wikipedia

    en.wikipedia.org/wiki/Ultraviolet_index

    Ultraviolet index. The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn -producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public. The UV index is designed as an open-ended linear scale, directly ...

  7. Roentgen (unit) - Wikipedia

    en.wikipedia.org/wiki/Roentgen_(unit)

    SI base units. 2.58×10−4 A ⋅ s / kg. The roentgen or röntgen ( / ˈrɛntɡən, - dʒən, ˈrʌnt -/; [ 2 ] symbol R) is a legacy unit of measurement for the exposure of X-rays and gamma rays, and is defined as the electric charge freed by such radiation in a specified volume of air divided by the mass of that air ( statcoulomb per kilogram).

  8. Hour - Wikipedia

    en.wikipedia.org/wiki/Hour

    An hour (symbol: h; [1] also abbreviated hr) is a unit of time historically reckoned as 1 ⁄ 24 of a day and defined contemporarily as exactly 3,600 seconds . There are 60 minutes in an hour, and 24 hours in a day. The hour was initially established in the ancient Near East as a variable measure of 1 ⁄ 12 of the night or daytime.

  9. Rad (radiation unit) - Wikipedia

    en.wikipedia.org/wiki/Rad_(radiation_unit)

    The rad is a unit of absorbed radiation dose, defined as 1 rad = 0.01 Gy = 0.01 J/kg. [ 1] It was originally defined in CGS units in 1953 as the dose causing 100 ergs of energy to be absorbed by one gram of matter. The material absorbing the radiation can be human tissue, air, water, or any other substance.