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Produced. 1987–2000. Number built. 21 [ 1][ 2] The Northrop B-2 Spirit, also known as the Stealth Bomber, is an American heavy strategic bomber, featuring low-observable stealth technology designed to penetrate dense anti-aircraft defenses. A subsonic flying wing with a crew of two, the plane was designed by Northrop (later Northrop Grumman ...
Riboflavin, also known as vitamin B2, is a vitamin found in food and sold as a dietary supplement. [ 3] It is essential to the formation of two major coenzymes, flavin mononucleotide and flavin adenine dinucleotide. These coenzymes are involved in energy metabolism, cellular respiration, and antibody production, as well as normal growth and ...
Back-formation. In linguistics, back-formation is the process of forming a new word by removing actual affixes, or parts of the word that is re-analyzed as an affix, from other words to create a base. [5] Examples include: the verb headhunt is a back-formation of headhunter. the verb edit is formed from the noun editor [5]
v. t. e. In linguistics, morphology ( mor-FOL-ə-jee[ 1]) is the study of words, including the principles by which they are formed, and how they relate to one another within a language. [ 2][ 3] Most approaches to morphology investigate the structure of words in terms of morphemes, which are the smallest units in a language with some ...
Back-formation is either the process of creating a new lexeme (less precisely, a new "word") by removing actual or supposed affixes, or a neologism formed by such a process. Back-formations are shortened words created from longer words, thus back-formations may be viewed as a sub-type of clipping.
Conversion (word formation) In linguistics, conversion, also called zero derivation or null derivation, is a kind of word formation involving the creation of a word (of a new part of speech) from an existing word (of a different part of speech) without any change in form, [ 1] which is to say, derivation using only zero.
Blend word. In linguistics, a blend —also known as a blend word, lexical blend, or portmanteau [a] —is a word formed, usually intentionally, by combining the sounds and meanings of two or more words. [2] [3] [4] English examples include smog, coined by blending smoke and fog, [3] [5] as well as motel, from motor ( motorist) and hotel. [6]
Morphological derivation, in linguistics, is the process of forming a new word from an existing word, often by adding a prefix or suffix, such as un- or -ness. For example, unhappy and happiness derive from the root word happy. It is differentiated from inflection, which is the modification of a word to form different grammatical categories ...