negative ion

negative ion
See under ion (def. 1).

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Universalium. 2010.

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  • negative ion — neigiamasis jonas statusas T sritis fizika atitikmenys: angl. negative ion vok. negatives Ion, n rus. отрицательный ион, m pranc. ion négatif, m …   Fizikos terminų žodynas

  • negative ion therapy — noun The use of negatively charged ions by breathing negatively ionized air or by direct application of the ions, to treat or prevent a wide range of medical conditions • • • Main Entry: ↑negate …   Useful english dictionary

  • negative ion — Physics, Chem. See under ion (def. 1) …   Useful english dictionary

  • negative ion generator — noun a device which releases negative ions into the air, thought to alleviate a wide range of ailments such as asthma, hay fever, headaches, etc., to reduce pollution as from dust or cigarette smoke, and to promote a feeling of wellbeing …  

  • negative ion — /nɛgətɪv ˈaɪən/ (say neguhtiv uyuhn) noun → anion …  

  • Negative air ionization therapy — is the use of air ionisers as an experimental non pharmaceutical treatment for seasonal affective disorder (SAD) and mild depression. For SAD, a randomized controlled trial (RCT) comparing high (4.5x1014 ions/second) and low (1.7x1011… …   Wikipedia

  • Ion therapy — is based on the belief that there are health benefits from doses of negatively charged particles. This therapy typically uses a special electronic device that generates negatively charged particles.Negative ions contain an extra electron, and are …   Wikipedia

  • ion pair — ▪ chemistry and physics       in physics and chemistry, a duplex of charged particles (ordinarily charged atoms or molecules), one positive, the other negative. An ion pair, for the physicist, is the positively charged particle (positive ion) and …   Universalium

  • ion — /uy euhn, uy on/, n. Physics, Chem. 1. an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons, as a cation (positive ion), which is created by electron loss and is attracted to the cathode in… …   Universalium

  • negative — I. adjective Date: 15th century 1. a. marked by denial, prohibition, or refusal < received a negative answer >; also marked by absence, withholding, or removal of something positive < the negative motivation of shame Garrett Hardin > b. (1)… …   New Collegiate Dictionary

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