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Inversion

/inˈvərZHən/ Noun, pl. inversions . The action of inverting. (wiktionary.org) 2. Being upside down, in an inverted state. (wiktionary.org) 3. Being in a reverse sequence, in an inverted state. (wiktionary.org) 4. (Kinesiology) Movement of the sole towards the median plane. 5. (Genetics) a segment of DNA in the context of a chromosome that is reversed in orientation relative to a reference karyotype or genome. (wiktionary.org) 6. (Weather) An increase of air temperature with increase in altitude (the ground being colder than the surrounding air). When an inversion exists, there are no convection currents and wind speeds are below 5 knots. The atmosphere is stable and normally is considered the most favorable state for ground release of chemical agents. (wiktionary.org) 7. (Chemistry) Conversion of a substance in which the direction of optical rotation is reversed, from the dextrorotatory to the levorotatory or from the levorotatory to the dextrorotatory form. (medical-dictionary.thefreedictionary.com) Word origin: From Latin inversionem (nominative inversio) “an inversion,” noun of action from past participle stem of...

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Inversion

Noun, pl. inversions (General) 1. The action of inverting. (wiktionary.org) 2. Being upside down, in an inverted state. (wiktionary.org) 3. Being in a reverse sequence, in an inverted state. (wiktionary.org) 4. (Kinesiology) Movement of the sole towards the median plane. 5. (Genetics) a segment of DNA in the context of a chromosome that is reversed in orientation relative to a reference karyotype or genome. (wiktionary.org) 6. (Weather) An increase of air temperature with increase in altitude (the ground being colder than the surrounding air). When an inversion exists, there are no convection currents and wind speeds are below 5 knots. The atmosphere is stable and normally is considered the most favorable state for ground release of chemical agents. (wiktionary.org) 7. (Chemistry) Conversion of a substance in which the direction of optical rotation is reversed, from the dextrorotatory to the levorotatory or from the levorotatory to the dextrorotatory form. (medical-dictionary.thefreedictionary.com) Word origin: From Latin inversionem (nominative inversio) “an inversion,” noun of action from past participle stem of...

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Invertebrate

/inˈvərtəbrit/  /-ˌbrāt/ Noun, pl. invertebrates 1. An animal lacking a backbone, such as an arthropod, mollusk, annelid, coelenterate, etc. The invertebrates constitute an artificial division of the animal kingdom, comprising 95 percent of animal species and about 30 different phyla. (wiktionary.org) 2. Animal species that do not develop a vertebral column. This in effect includes all animals apart from the subphylum Vertebrata. (wikipedia.org) 3. An animal lacking a backbone, such as an arthropod, mollusk, annelid, coelenterate, etc. The invertebrates constitute an artificial division of the animal kingdom, comprising 95 percent of animal species and about 30 different phyla. (Google Dictionary) 4. Any animal lacking a backbone or notochord; the term is not used as a scientific classification. (wordnetweb.princeton.edu) Adjective 1. Of, relating to, or belonging to this division of animals. (wiktionary.org) 2. Irresolute; spineless. (wiktionary.org) 3. Lacking a backbone or spinal column. (wordnetweb.princeton.edu) Word origin: From Latin in– “not” + vertebra...

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Involuntary

/inˈvälənˌterē/ Adjective 1. One that occurs without volition or will. (wikipedia.org) 2. Done without conscious control. (Google Dictionary) 3. Without intention; unintentional. (wiktionary.org) 4. (esp. of muscles or nerves) Concerned in bodily processes that are not under the control of the will. (Google Dictionary) 5. Controlled by the autonomic nervous system; without conscious control. (wordnetweb.princeton.edu) Word origin: From Late Latin involuntarius “involuntary,” from in– “not, opposite...

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