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The word ion was coined from neuter present participle of Greek ἰέναι (ienai), meaning "to go". A cation is something that moves down (Greek: κάτω, kato, meaning "down") and an anion is something that moves up (Greek: ἄνω, ano, meaning "up"). They are so called because ions move toward the electrode of opposite charge.
When the prefix "re-" is added to a monosyllabic word, the word gains currency both as a noun and as a verb. Most of the pairs listed below are closely related: for example, "absent" as a noun meaning "missing", and as a verb meaning "to make oneself missing". There are also many cases in which homographs are of an entirely separate origin, or ...
For the first portion of the list, see List of words having different meanings in American and British English (A–L). Asterisked (*) meanings, though found chiefly in the specified region, also have some currency in the other dialect; other definitions may be recognised by the other as Briticisms or Americanisms respectively. Additional usage ...
The adjective ferric is used instead for iron(III) salts, containing the cation Fe 3+. The word ferrous is derived from the Latin word ferrum , meaning "iron". In ionic compounds (salts), such an atom may occur as a separate cation (positive ion) abbreviated as Fe 2+ , although more precise descriptions include other ligands such as water and ...
Compounds are units of meaning formed with two or more words. The words are usually written separately, but some may be hyphenated or be written as one word. Often the meaning of the compound can be guessed by knowing the meaning of the individual words. It is not always simple to detach collocations and compounds. car park; post office; narrow ...
Corpus linguists specify a key word in context and identify the words immediately surrounding them, to illustrate the way words are used in practice. The processing of collocations involves a number of parameters, the most important of which is the measure of association , which evaluates whether the co-occurrence is purely by chance or ...
A proper noun (sometimes called a proper name, though the two terms normally have different meanings) is a noun that represents a unique entity (India, Pegasus, Jupiter, Confucius, Pequod) – as distinguished from common nouns (or appellative nouns), which describe a class of entities (country, animal, planet, person, ship). [11]
While proper names may be realized by multi-word constituents, a proper noun is word-level unit in English. Thus, Zealand, for example, is a proper noun, but New Zealand, though a proper name, is not a proper noun. [4] Unlike some common nouns, proper nouns do not typically show number contrast in English.