- negative ions
- atoms which carry a negative electrical charge
English contemporary dictionary. 2014.
negative ions
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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
negative — 1. Not affirmative; refutative; not positive; not abnormal. 2. Denoting failure of response, absence of a reaction, or absence of an entity or condition in question. [L. negativus, fr. nego, to deny] * * * neg·a·tive neg ət iv … Medical 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 thermal expansion — (NTE) is a physicochemical process in which some materials contract upon heating rather than expanding as most materials do. Materials which undergo this unusual process have a range of potential engineering, photonic, electronic, and structural… … Wikipedia
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 electron-transfer dissociation — (NETD) is an ion/ion reaction in which an electron from an anionic specie is transferred to cationic reagent.[1] Following this transfer event, the electron deficient anion undergoes internal rearrangement and fragments. NETD is the ion/ion… … Wikipedia
Ions — Ion Pour les articles homonymes, voir Ion (homonymie) … Wikipédia en Français
Ions Multichargés — Ion Pour les articles homonymes, voir Ion (homonymie) … Wikipédia en Français
Ions multicharges — Ion Pour les articles homonymes, voir Ion (homonymie) … Wikipédia en Français
Ions multichargés — Ion Pour les articles homonymes, voir Ion (homonymie) … Wikipédia en Français
