Cool vs Air - What's the difference?

cool | air |

As an acronym cool

is (computing) clips object]]-oriented [[language|language .

As a noun air is




Alternative forms

* (slang) coo, kewl, kool, qewl, qool

Etymology 1

From (etyl), from (etyl) . Related to (l).


  • Having a slightly low temperature; mildly or pleasantly cold.
  • *
  • , title=(The Celebrity), chapter=8 , passage=The day was cool and snappy for August, and the Rise all green with a lavish nature. Now we plunged into a deep shade with the boughs lacing each other overhead, and crossed dainty, rustic bridges over the cold trout-streams, the boards giving back the clatter of our horses' feet:
  • Allowing or suggesting heat relief.
  • * {{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)
  • , chapter=2 citation , passage=Now that she had rested and had fed from the luncheon tray Mrs. Broome had just removed, she had reverted to her normal gaiety.  She looked cool in a grey tailored cotton dress with a terracotta scarf and shoes and her hair a black silk helmet.}}
  • Of a person, not showing emotion, calm and in self-control.
  • Unenthusiastic, lukewarm, skeptical.
  • Calmly audacious.
  • * (Nathaniel Hawthorne) (1804-1864)
  • Its cool stare of familiarity was intolerable.
  • * 1944 November 28, Irving Brecher and Fred F. Finklehoffe, Meet Me in St. Louis , Metro-Goldwyn-Mayer:
  • My father was talking to the World's Fair Commission yesterday, and they estimate it's going to cost a cool fifty million.
  • (label) Of a person, knowing what to do and how to behave; considered popular by others.
  • (label) In fashion, part of or fitting the in crowd; originally hipster slang.
  • * 2008 , Lou Schuler, "Foreward", in'' Nate Green, ''Built for Show , page xii
  • The fact that I was middle-aged, bald, married, and raising girls instead of chasing them didn't really bother me. Muscles are cool at any age.
  • (label) Of an action, all right; acceptable; that does not present a problem.
  • (label) A dismissal of a comment perceived as boring or pointless.
  • (label) Of a person, not upset by circumstances that might ordinarily be upsetting.
  • * (Henry Fielding) (1707-1754)
  • He had lost a cool hundred.
  • * (Charles Dickens) (1812-1870)
  • leaving a cool four thousand to Mr. Matthew Pocket
    * (having a slightly low temperature) chilly * (not showing emotion) distant, phlegmatic, standoffish, unemotional * (in fashion) ** (standard) , fashionable, in fashion, modish, stylish ** (colloquial or slang) happening, hip, in, trendy * (acceptable) acceptable, all right, OK * (not upset) easy, fine, not bothered, not fussed'''
    * (having a slightly low temperature) lukewarm, tepid, warm * (not showing emotion) passionate * (knowing what to do and how to behave) awkward, uncool * (in fashion) , old hat, out, out of fashion * (acceptable) not cricket (UK), not on, unacceptable * (not upset) bothered, upset * (unenthusiastic) warm
    Derived terms
    * cool head * coolish * coolly * coolness * keep one's cool * lose one's cool * uncool
    * The earliest use of the word in this way seems to be in ' "The Moonstone" 1868: *: "She has been a guest of yours at this house," I answered. "May I venture to suggest — if nothing was said about me beforehand — that I might see her here?" *: "Cool!" said Mr. Bruff. With that one word of comment on the reply that I had made to him, he took another turn up and down the room. *: "In plain English," he said, "my house is to be turned into a trap to catch Rachel ... * In 1602, Shakespeare wrote that Queen Gertrude told Hamlet: *: "O gentle son, Upon the heat and flame of thy distemper, Sprinkle cool patience."


  • A moderate or refreshing state of cold; moderate temperature of the air between hot and cold; coolness.
  • in the cool of the morning
  • A calm temperament.
  • Synonyms
    *(calm temperament) calmness, composure

    Etymology 2

    From (etyl) colen, from (etyl) , altered to resemble the adjective cool. See (l).


    (en verb)
  • (literally) To lose heat, to get colder.
  • I like to let my tea cool before drinking it so I don't burn my tongue.
  • To make cooler, less warm.
  • * Bible, Luke xvi. 24:
  • Send Lazarus, that he may dip the tip of his finger in water, and cool my tongue.
  • (figuratively) To become less intense, e.g. less amicable or passionate.
  • Relations cooled between the USA and the USSR after 1980.
  • To make less intense, e.g. less amicable or passionate.
  • * Shakespeare:
  • We have reason to cool our raging motions, our carnal stings, our unbitted lusts.
    Derived terms
    * coolant * cooler * cooling * cool off * cool down * cool it * cool one's heels * cool one's jets


    * * 1000 English basic words ----




  • (uncountable, historical, astrology, alchemy, science) The atmospheric substance above the surface of the earth which animals breathe, formerly considered to be a single substance, one of the four basic elements of ancient philosophy and one of the five basic elements of Eastern traditions.
  • (uncountable, physics, meteorology) That substance, now understood as the mixture of gases comprising the earth's atmosphere.
  • (usually, with the) The apparently open space above the ground; the mass of this substance around the earth.
  • A breeze; a gentle wind.
  • A feeling or sense.
  • * November 2 2014 , Daniel Taylor, " Sergio Agüero strike wins derby for Manchester City against 10-man United,"
  • Smalling’s quick one-two of yellow cards towards the end of the first half had left an air of inevitability about what would follow and, if anything, it was probably a surprise that City restricted themselves to Sergio Agüero’s goal bearing in mind another of United’s defenders, Marcos Rojo, was taken off on a stretcher early in the second half with a dislocated shoulder.
  • * 1900 , , (The House Behind the Cedars) , Chapter I,
  • The girl stooped to pluck a rose, and as she bent over it, her profile was clearly outlined. She held the flower to her face with a long-drawn inhalation, then went up the steps, crossed the piazza, opened the door without knocking, and entered the house with the air of one thoroughly at home.
  • A sense of poise, graciousness, or quality.
  • * 1815 , (Jane Austen), (Emma) , :
  • "He is very plain, undoubtedly--remarkably plain:--but that is nothing compared with his entire want of gentility. I had no right to expect much, and I did not expect much; but I had no idea that he could be so very clownish, so totally without air . I had imagined him, I confess, a degree or two nearer gentility."
  • (usually plural) Pretension]]; [[snobby, snobbishness; pretence that one is better than others.
  • * {{quote-book, year=1922, author=(Ben Travers), title=(A Cuckoo in the Nest)
  • , chapter=1 citation , passage=He read the letter aloud. Sophia listened with the studied air of one for whom, even in these days, a title possessed some surreptitious allurement.}}
  • (music) A song, especially a solo; an aria.
  • * 1813 , (Jane Austen), (Pride and Prejudice) , :
  • "If I," said Mr. Collins, "were so fortunate as to be able to sing, I should have great pleasure, I am sure, in obliging the company with an air ; for I consider music as a very innocent diversion, and perfectly compatible with the profession of a clergyman"
  • (informal) Nothing; absence of anything.
  • An air conditioner or the processed air it produces. Can be a mass noun or a count noun depending on context; similar to hair .
  • (obsolete, chemistry) Any specific gas.
  • (snowboarding, skateboarding, motor sports) A jump in which one becomes airborne.
  • Synonyms

    * * atmosphere * aura * nimbus

    Derived terms

    * airbag * air base * air bed * airborne * air bounce * airbrake * airbrush * air bubble * airbus * air cargo * air carrier * air chamber * Air Chief Marshal * air cleaner * Air Commodore * air compressor * air-conditioned * air-conditioner * air-conditioning * air-cooled * air corridor * aircraft * aircrew * air cushion * air display * airdrome * airdrop * air duct * airfield * air flow * air force * airframe * air freight * air freshener * air guitar * airgun * air hole * air hostess * airing cupboard * air intake * air lane * airless * air letter * airlift * airline * airliner * airlock * airmail * airman * Air Marshal * air mattress * air navigation * air out * airplane * air pocket * airport * air pressure * air pump * air purifier * air quotes * air raid * air rifle * airscrew * air-sea rescue * air shaft * airshed * airship * air show * airsick * airsickness * air sign * airspace * airspeed * airstrike * airstrip * airsuit * air support * airtaxi * air terminal * airtight * air time * air-to-air * air-to-ground * air-to-surface * air traffic control * air traffic controller * air vent * Air Vice Marshal * airwaves * airway * airwoman * airworthiness * airworthy * airy * alkaline air * breath of fresh air * build castles in the air * catch air * castle in the air * clear the air * dead air * dephlogisticated air * fire air * fixed air * fluoro acid air * fresh air * get some air / take some air * give oneself airs * hepatic air * hot air * inflammable air * in the air * into thin air * mid-air * mephitic air * nitrous air * on air * on the air * phlogisticated air * pure air * put on airs * too many balls in the air * up in the air * vital air * vitriolic acid air (air)


    (en verb)
  • To bring (something) into contact with the air, so as to freshen or dry it.
  • To let fresh air into a room or a building, to ventilate.
  • It's getting quite stuffy in this room: let's open the windows and air it.
  • To discuss varying viewpoints on a given topic.
  • * 1917 , National Geographic , :
  • Thus, in spite of all opposition, the rural and urban assemblies retained the germ of local government, and in spite of the dual control, as the result of which much of their influence was nullified, they did have a certain value in airing abuses and suggesting improvements.
  • To broadcast, as with a television show.
  • Statistics