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Estrone, also known as estra-1,3,5(10)-trien-3-ol-17-one, is a naturally occurring estrane steroid with double bonds at the C1, C3, and C5 positions, a hydroxyl group at the C3 position, and a ketone group at the C17 position. The name estrone was derived from the chemical terms estrin (estra-1,3,5(10)-triene) and ketone.
Often, for example in tapestries, the modello is a design at a considerably reduced scale by the main artist, which is then (after approval by the patron) worked up into a full scale cartoon by the artist or others – probably his assistants; the Raphael Cartoons are much the most famous of the few surviving examples. The weavers then worked ...
In painting, a pentimento (Italian for 'repentance'; from the verb pentirsi, meaning 'to repent'; plural pentimenti) is "the presence or emergence of earlier images, forms, or strokes that have been changed and painted over". [1] Sometimes the English form "pentiment" is used, especially in older sources.
This category is not for articles about concepts and things but only for articles about the words themselves. As such almost all article titles should be italicized (with Template:Italic title). Please keep this category purged of everything that is not actually an article about a word or phrase. See as example Category:English words.
The first to use this Italian word was William Shakespeare in Macbeth. Shakespeare introduced a lot of Italian or Latin words into the English language. Assassin and assassination derive from the word hashshashin (Arabic: حشّاشين, ħashshāshīyīn, also hashishin, hashashiyyin, means Assassins), and shares its etymological roots with ...
Sprezzatura ([sprettsaˈtuːra]) is an Italian word that refers to a kind of effortless grace, the art of making something difficult look easy, or maintaining a nonchalant demeanor while performing complex tasks. The term is used in the context of fashion, where classical outfits are purposefully worn in a way that seem a bit off, as if the ...
Pope Francis used a highly derogatory term towards the LGBT community as he reiterated in a closed-door meeting with Italian bishops that gay people should not be allowed to become priests ...
Estrone is a naturally occurring and bioidentical estrogen, or an agonist of the estrogen receptor, the biological target of estrogens like endogenous estradiol. [5] It is a relatively weak estrogen, with much lower activity than estradiol. [5] However, estrone is converted in the body into estradiol, which provides most or all of its ...