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A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms, sometimes simply as lists of synonyms and antonyms.
The original edition had 15,000 words and each successive edition has been larger, [3] with the most recent edition (the eighth) containing 443,000 words. [6] The book is updated regularly and each edition is heralded as a gauge to contemporary terms; but each edition keeps true to the original classifications established by Roget. [2]
The Oxford Advanced Learner's Dictionary of Current English.Special edition in two volumes (USSR, 1982). The advanced learner's dictionary is the most common type of monolingual learner's dictionary, that is, a dictionary written in one language only, for someone who is learning a foreign language.
When the first life forms appeared in the sea, they acquired the composition of the contemporary sea water, and retained it even after their evolution onto land, as it was a favorable trait. Opsins : In the vertebrates, vision is controlled by two very distinct types of opsins, porphyropsin and rhodopsin .
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Oxford Advanced Learner's Dictionary of Current English. Special edition in two volumes (USSR, 1982). The Oxford Advanced Learner's Dictionary (OALD) was the first advanced learner's dictionary of English. It was first published in 1948. It is the largest English-language dictionary from Oxford University Press aimed at a non-native audience.
It was slightly higher in the surgery group, at 5.9%, compared to the non-surgery group, at 4.2%. This may be due to “upstaging,” Partridge said, when more advanced cancer is identified during ...