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cold cathode


      n     (Electronics)   a cathode from which electrons are emitted at an ambient temperature, due to a high potential gradient at the surface  
Dictionnaire anglais Collins English definition-Thesaurus  
1    having relatively little warmth; of a rather low temperature  
cold weather, cold hands     
2    without sufficient or proper warmth  
this meal is cold     
3    lacking in affection, enthusiasm, or warmth of feeling  
a cold manner     
4    not affected by emotion; objective  
cold logic     
5    dead  
6    sexually unresponsive or frigid  
7    lacking in freshness  
a cold scent, cold news     
8    chilling to the spirit; depressing  
9    (of a colour) having violet, blue, or green predominating; giving no sensation of warmth  
10      (Metallurgy)   denoting or relating to a process in which work-hardening occurs as a result of the plastic deformation of a metal at too low a temperature for annealing to take place  
11    (of a process) not involving heat, in contrast with traditional methods  
cold typesetting, cold technology     
12    Informal   (of a seeker) far from the object of a search  
13    denoting the contacting of potential customers, voters, etc., without previously approaching them in order to establish their interest  
cold mailing     
14    cold comfort   little or no comfort  
15    cold steel   the use of bayonets, knives, etc., in combat  
16    from cold   without advance notice; without giving preparatory information  
17    in cold blood   showing no passion; deliberately; ruthlessly  
18    leave (someone) cold  
Informal   to fail to excite (someone)  
the performance left me cold     
19    throw (or pour) cold water on  
Informal   to be unenthusiastic about or discourage  
20    the absence of heat regarded as a positive force  
the cold took away our breath     
21    the sensation caused by loss or lack of heat  
22    (out) in the cold  
Informal   neglected; ignored  
23    an acute viral infection of the upper respiratory passages characterized by discharge of watery mucus from the nose, sneezing, etc.  
24    catch a cold  
Slang   to make a loss; lose one's investment  
25    Informal   without preparation  
he played his part cold     
26    Informal     (chiefly U.S. and Canadian)   thoroughly; absolutely  
she turned him down cold     
     (Old English ceald; related to Old Norse kaldr, Gothic kalds, Old High German kalt; see cool)  
  coldish      adj  
  coldly      adv  
  coldness      n  

1    having or showing a lack of feeling or pity  
a cold-blooded killing     
2    Informal   particularly sensitive to cold  
3    (of all animals except birds and mammals) having a body temperature that varies with that of the surroundings,   (Technical term)    poikilothermic  
  cold-bloodedly      adv  
  cold-bloodedness      n  
cold call  
      n   a call made by a salesman on a potential customer without making an appointment  
  cold calling      n  
cold cathode  
      n     (Electronics)   a cathode from which electrons are emitted at an ambient temperature, due to a high potential gradient at the surface  
cold chisel  
      n   a toughened steel chisel  
cold cream  
      n   an emulsion of water and fat used cosmetically for softening and cleansing the skin  
cold cuts  
      pl n   cooked meats sliced and served cold  
      adj   (of metal wire, bars, etc.) having been drawn unheated through a die to reduce dimensions, toughen, and improve surface finish  
cold duck  
      n   an alcoholic beverage made from equal parts of burgundy and champagne  
cold feet  
      pl n  
Informal   loss or lack of courage or confidence  
cold fish  
      n   an unemotional and unfriendly person  
cold frame  
      n   an unheated wooden frame with a glass top, used to protect young plants from the cold  
cold front  
      n     (Meteorol)  
1    the boundary line between a warm air mass and the cold air pushing it from beneath and behind as it moves  
2    the line on the earth's surface where the cold front meets it,   (Compare)        warm front  
      adj   lacking in feeling or warmth; unkind  
  cold-heartedly      adv  
  cold-heartedness      n  
cold light  
      n   light emitted at low temperatures from a source that is not incandescent, such as fluorescence, phosphorescence, bioluminescence, or triboluminescence  
cold moulding  
      n   the production of moulded articles from resins that polymerize chemically  
cold pack  
a    a method of lowering the body temperature by wrapping a person in a sheet soaked in cold water  
b    the sheet so used  
2    a tinning process in which raw food is packed in cans or jars and then heated  
      adj   (of an unrefined oil such as olive oil) produced by pressing the parent seed, nut, or grain at the lowest possible temperature without any further pressing  
      adj   (of metal sheets, etc.) having been rolled without heating, producing a smooth surface finish  
cold rubber  
      n   synthetic rubber made at low temperatures (about 5°C). It is stronger than that made at higher temperatures and is used for car tyres  
cold shoulder   Informal  
1    often preceded by: the   a show of indifference; a slight  
  cold-shoulder   tr  
2    to treat with indifference  
cold snap  
      n   a sudden short spell of cold weather  
cold sore  
      n   a cluster of blisters at the margin of the lips that sometimes accompanies the common cold, caused by a viral infection,   (Technical name)    herpes labialis  
cold start  
      n     (Computing)   the reloading of a program or operating system  
cold storage  
1    the storage of things in an artificially cooled place for preservation  
2    Informal   a state of temporary suspension  
to put an idea into cold storage     
cold sweat  
Informal   a bodily reaction to fear or nervousness, characterized by chill and moist skin  
cold turkey  
1    Slang   a method of curing drug addiction by abrupt withdrawal of all doses  
2    the withdrawal symptoms, esp. nausea and shivering, brought on by this method  
cold war  
      n   a state of political hostility and military tension between two countries or power blocs, involving propaganda, subversion, threats, economic sanctions, and other measures short of open warfare, esp. that between the American and Soviet blocs after World War II (the Cold War)  
cold warrior  
      n   a person who engages in or promotes a cold war  
cold wave  
1      (Meteorol)   a sudden spell of low temperatures over a wide area, often following the passage of a cold front  
2      (Hairdressing)   a permanent wave made by chemical agents applied at normal temperatures  
      vb   tr   to join (two metal surfaces) without heat by forcing them together so that the oxide films are broken and adhesion occurs  
  cold welding      n  
cold work  
1    the craft of shaping metal without heat  
  cold-work   tr  
2    to shape (metal) in this way  
common cold  
      n   a mild viral infection of the upper respiratory tract, characterized by sneezing, coughing, watery eyes, nasal congestion, etc.  
1    completely cold  
2    (intensifier)  
stone-cold sober     

Dictionnaire anglais Collins English definition-Thesaurus  




1    arctic, biting, bitter, bleak, brumal, chill, chilly, cool, freezing, frigid, frosty, frozen, gelid, harsh, icy, inclement, parky     (Brit. informal)   raw, wintry  
2    benumbed, chilled, chilly, freezing, frozen to the marrow, numbed, shivery  
3    affectless, aloof, apathetic, cold-blooded, dead, distant, frigid, glacial, indifferent, inhospitable, lukewarm, passionless, phlegmatic, reserved, spiritless, standoffish, stony, undemonstrative, unfeeling, unmoved, unresponsive, unsympathetic  
4    chill, chilliness, coldness, frigidity, frostiness, iciness, inclemency  
1    balmy, heated, hot, mild, sunny, warm  
3    alive, animated, caring, compassionate, conscious, demonstrative, emotional, friendly, loving, open, passionate, responsive, spirited, sympathetic, warm  

barbarous, brutal, callous, cruel, dispassionate, heartless, inhuman, merciless, pitiless, ruthless, savage, steely, stony-hearted, unemotional, unfeeling, unmoved  
   caring, charitable, civilized, concerned, emotional, feeling, friendly, humane, involved, kind, kind-hearted, merciful, open, passionate, sensitive, warm  
callous, detached, frigid, hardhearted, harsh, heartless, indifferent, inhuman, insensitive, stony-hearted, uncaring, unfeeling, unkind, unsympathetic  
callousness, chilliness, coldness, detachment, flintiness, frigidity, frigidness, hardheartedness, harshness, heartlessness, indifference, inhumanity, insensitiveness, insensitivity, mercilessness, pitilessness, steeliness, stony-heartedness, unfeelingness, unkindness, unresponsiveness  
arctic, biting, bitter, chilled to the bone or marrow, freezing, frozen, glacial, icy, raw, refrigerated, shivering  

Dictionnaire anglais Collins English synonyme-Thesaurus  

Dictionnaire Collaboratif     Anglais Définition
1. to stop using an addictive substance abruptly and completely. 2. to undergo sudden and complete withdrawal from a habitual activity or behavior pattern. 3. to begin or do something without planning, preparation, or practice.
a large pocket of very cold air, typically the coldest air in the Northern Hemisphere, which sits over the polar region.
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