www.wikipedia.org
Wikipedia
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
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en.wikipedia.org
Wikipedia, the free encyclopedia
Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects:
de.wikipedia.org
Wikipedia – Die freie Enzyklopädie
Wikipedia ist ein Projekt zum Aufbau einer Enzyklopädie aus freien Inhalten, zu denen du sehr gern beitragen kannst. Seit März 2001 sind 3.069.310 Artikel in deutscher Sprache entstanden.
en.wikipedia.org
Wikipedia - Wikipedia
Founded by Jimmy Wales and Larry Sanger in 2001, Wikipedia has been hosted since 2003 by the Wikimedia Foundation, an American nonprofit organization funded mainly by donations from readers. [2] Wikipedia is the large...
en.wikipedia.org
English Wikipedia - Wikipedia
The English Wikipedia is the primary [a] English-language edition of Wikipedia, an online encyclopedia. It was created by Jimmy Wales and Larry Sanger on 15 January 2001, as Wikipedia's first edition.
simple.wikipedia.org
Wikipedia - Simple English Wikipedia, the free encyclopedia
Wikipedia is a free content online encyclopedia website in 344 languages of the world in which 342 languages are currently active and 14 are closed. It is written and maintained by a community of volunteers, known as ...
pt.wikipedia.org
Wikipédia, a enciclopédia livre
Like a Virgin é o segundo álbum de estúdio da artista musical estadunidense Madonna. Seu lançamento ocorreu em 12 de novembro de 1984, através das gravadoras Sire Records e Warner Bros. Records. Após o lançamento de s...
pl.wikipedia.org
Wikipedia, wolna encyklopedia
wolnej encyklopedii, którą każdy może redagować. 1 674 847 artykułów, w tym 5400 wyróżnionychWłaśnie trwa Tydzień Artykułu Koreańskiego II. Dołącz do akcji!
es.wikipedia.org
Wikipedia, la enciclopedia libre
Wikipedia es uno de los proyectos Wikimedia, de contenido libre y administrados técnicamente por la Fundación Wikimedia, una organización estadounidense sin fines de lucro.
ja.wikipedia.org
Wikipedia
エナメル質 は 歯 の 歯冠 の最表層にある、 生体 で最も硬い 硬組織 で、 モース硬度 は6～7を示す。このエナメル質と、 象牙質 、 セメント質 、 歯髄 で歯は構成される。通常目に見える部分がこのエナメル質であり、象牙質に支えられている。象牙質の支持がなければエナメル質は硬くて ...