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Delta is the initial letter of the Greek word διαφορά, diaphorá, "difference". (The small Latin letter d is used in much the same way for the notation of derivatives and differentials , which also describe change by infinitesimal amounts.)
When we speak of English as a foreign language (EFL), we are referring to the role of English for learners in a country where English is not spoken by the majority (what Braj Kachru calls the expanding circle). English as a second language (ESL) refers to the role of English for learners in an English-speaking country, i.e. usually immigrants ...
This is a comparison of English dictionaries, which are dictionaries about the language of English.The dictionaries listed here are categorized into "full-size" dictionaries (which extensively cover the language, and are targeted to native speakers), "collegiate" (which are smaller, and often contain other biographical or geographical information useful to college students), and "learner's ...
Delta commonly refers to: Delta (letter) (Δ or δ), the fourth letter of the Greek alphabet D (NATO phonetic alphabet: "Delta"), the fourth letter in the Latin alphabet
The Cambridge Advanced Learner's Dictionary (abbreviated CALD) is a British dictionary of the English language. It was first published in 1995 under the title Cambridge International Dictionary of English by the Cambridge University Press. The dictionary has over 140,000 words, phrases, and meanings. It is suitable for learners at CEF levels B2 ...
The follow articles comprise the glossary of education-related terms: Glossary of education terms (A–C) Glossary of education terms (D–F) Glossary of education terms (G–L) Glossary of education terms (M–O) Glossary of education terms (P–R) Glossary of education terms (S) Glossary of education terms (T–Z)
Expulsion (education): Removing a student from a school or university for violating rules or academic honor codes. Extra credit is an academic concept, particularly used in schools. Students are offered the opportunity to undertake optional work, additional to their compulsory school work, in order to gain additional credit that would boost ...
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 ...