(x H,t) - U(x,t)
   HOME



picture info

(x H,t) - U(x,t)
X, or x, is the twenty-fourth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''ex'' (pronounced ), plural ''exes''."X", ''Oxford English Dictionary'', 2nd edition (1989); ''Merriam-Webster's Third New International Dictionary of the English Language, Unabridged'' (1993); "ex", ''op. cit''. History The letter , representing , was inherited from the Etruscan alphabet. It perhaps originated in the of the Euboean alphabet or another Western Greek alphabet, which also represented . Its relationship with the of the Eastern Greek alphabets, which represented , is uncertain. The pronunciation of in the Romance languages underwent sound changes, with various outcomes: * French: (e.g. ''laisser'' from ''laxare'') * Italian: (e.g. ''asse'' from ''axem'') and, in some cases, (e.g. ''lasciare'' from ''laxare'') * Portuguese: (e.g. ''eixo'' from ''axem'') * Roma ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


picture info

Latin Script
The Latin script, also known as the Roman script, is a writing system based on the letters of the classical Latin alphabet, derived from a form of the Greek alphabet which was in use in the ancient Greek city of Cumae in Magna Graecia. The Greek alphabet was altered by the Etruscan civilization, Etruscans, and subsequently their alphabet was altered by the Ancient Romans. Several Latin-script alphabets exist, which differ in graphemes, collation and phonetic values from the classical Latin alphabet. The Latin script is the basis of the International Phonetic Alphabet (IPA), and the 26 most widespread letters are the letters contained in the ISO basic Latin alphabet, which are the same letters as the English alphabet. Latin script is the basis for the largest number of alphabets of any writing system and is the List of writing systems by adoption, most widely adopted writing system in the world. Latin script is used as the standard method of writing the languages of Western and ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


picture info

Oxford English Dictionary
The ''Oxford English Dictionary'' (''OED'') is the principal historical dictionary of the English language, published by Oxford University Press (OUP), a University of Oxford publishing house. The dictionary, which published its first edition in 1884, traces the historical development of the English language, providing a comprehensive resource to scholars and academic researchers, and provides ongoing descriptions of English language usage in its variations around the world. In 1857, work first began on the dictionary, though the first edition was not published until 1884. It began to be published in unbound Serial (literature), fascicles as work continued on the project, under the name of ''A New English Dictionary on Historical Principles; Founded Mainly on the Materials Collected by The Philological Society''. In 1895, the title ''The Oxford English Dictionary'' was first used unofficially on the covers of the series, and in 1928 the full dictionary was republished in 10 b ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


picture info

Spanish Language
Spanish () or Castilian () is a Romance languages, Romance language of the Indo-European languages, Indo-European language family that evolved from the Vulgar Latin spoken on the Iberian Peninsula of Europe. Today, it is a world language, global language with 483 million native speakers, mainly in the Americas and Spain, and about 558 million speakers total, including second-language speakers. Spanish is the official language of List of countries where Spanish is an official language, 20 countries, as well as one of the Official languages of the United Nations, six official languages of the United Nations. Spanish is the world's list of languages by number of native speakers, second-most spoken native language after Mandarin Chinese; the world's list of languages by total number of speakers, fourth-most spoken language overall after English language, English, Mandarin Chinese, and Hindustani language, Hindustani (Hindi-Urdu); and the world's most widely spoken Romance language ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


picture info

Old Spanish
Old Spanish (, , ; ), also known as Old Castilian or Medieval Spanish, refers to the varieties of Ibero-Romance spoken predominantly in Castile and environs during the Middle Ages. The earliest, longest, and most famous literary composition in Old Spanish is the (c. 1140–1207). Phonology Vowels Monophthongs Diphthongs Consonants ( and were apico-alveolar.) and These were still distinct phonemes in Old Spanish, judging by the consistency with which the graphemes and were distinguished. Nevertheless, the two could be confused in consonant clusters (as in ~ “dawn”) or in word-initial position, perhaps after or a pause. and appear to have merged in word-initial position by about 1400 and in all other environments by the mid–late 16th century at the latest. At an archaic stage, the realizations of (from Latin ) would have been approximately as follows: * before or * before or * or before By early Old Spanish, had been replaced with ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


picture info

Romanian Language
Romanian (obsolete spelling: Roumanian; , or , ) is the official and main language of Romania and Moldova. Romanian is part of the Eastern Romance languages, Eastern Romance sub-branch of Romance languages, a linguistic group that evolved from several dialects of Vulgar Latin which separated from the Italo-Western languages, Western Romance languages in the course of the period from the 5th to the 8th centuries. To distinguish it within the Eastern Romance languages, in comparative linguistics it is called ''#Dialects, Daco-Romanian'' as opposed to its closest relatives, Aromanian language, Aromanian, Megleno-Romanian language, Megleno-Romanian, and Istro-Romanian language, Istro-Romanian. It is also spoken as a minority language by stable communities in the countries surrounding Romania (Romanians in Bulgaria, Bulgaria, Romanians in Hungary, Hungary, Romanians in Serbia, Serbia and Romanians in Ukraine, Ukraine), and by the large Romanian diaspora. In total, it is spoken by 2 ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  


picture info

Portuguese Language
Portuguese ( or ) is a Western Romance language of the Indo-European language family originating from the Iberian Peninsula of Europe. It is the official language of Angola, Brazil, Cape Verde, Guinea-Bissau, Mozambique, Portugal and São Tomé and Príncipe, and has co-official language status in East Timor, Equatorial Guinea and Macau. Portuguese-speaking people or nations are known as Lusophone (). As the result of expansion during colonial times, a cultural presence of Portuguese speakers is also found around the world. Portuguese is part of the Iberian Romance languages, Ibero-Romance group that evolved from several dialects of Vulgar Latin in the medieval Kingdom of Galicia and the County of Portugal, and has kept some Gallaecian language, Celtic phonology. With approximately 250 million native speakers and 17 million second language speakers, Portuguese has approximately 267 million total speakers. It is usually listed as the List of languages by number of native speaker ...
[...More Info...]      
[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  



MORE