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The Collaborative International Dictionary

Aqua \A"qua\, n. [L. See Ewer.] Water; -- a word much used in pharmacy and the old chemistry, in various signification, determined by the word or words annexed.

Aqua ammoni[ae], the aqueous solution of ammonia; liquid ammonia; often called aqua ammonia.

Aqua marine, or Aqua marina. Same as Aquamarine.

Aqua regia. [L., royal water] (Chem.), a very corrosive fuming yellow liquid consisting of nitric and hydrochloric acids. It has the power of dissolving gold, the ``royal'' metal.

Aqua Tofana, a fluid containing arsenic, and used for secret poisoning, made by an Italian woman named Tofana, in the middle of the 17th century, who is said to have poisoned more than 600 persons.

Aqua vit[ae][L., water of life. Cf. Eau de vie, Usquebaugh], a name given to brandy and some other ardent spirits.

Douglas Harper's Etymology Dictionary

"water," late 14c.; see aqua-. Used in late Middle English in combinations to mean "decoction, solution" (as in aqua regia, a mix of concentrated acids, literally "royal water," so called for its power to dissolve gold and other "noble" metals). As the name of a light greenish-blue color, 1936.


a. Of a greenish-blue colour. n. 1 (context inorganic compound English) The compound water. 2 A shade of colour, usually a mix of green and blue similar to the colour turquoise.

  1. n. a shade of blue tinged with green [syn: greenish blue, aquamarine, turquoise, cobalt blue, peacock blue]

  2. [also: aquae (pl)]


Aqua is the Latin word for water. It may also refer to:

Aqua (user interface)

Aqua is the graphical user interface (GUI) and visual theme of Apple's OS X operating system. It was originally based around the theme of water, with droplet-like components and a liberal use of reflection effects and translucency. Its goal is to "incorporate color, depth, translucence, and complex textures into a visually appealing interface" in OS X applications. At its introduction, Steve Jobs noted that "one of the design goals was when you saw it you wanted to lick it".

Aqua was first introduced at the 2000 Macworld Conference & Expo in San Francisco. Its first appearance in a commercial product was in the July 2000 release of iMovie 2, followed by Mac OS X 10.0 the year after. Aqua is the successor to Platinum, which was used in Mac OS 8, Mac OS 9 and Mac OS X Server 1.2. The appearance of Aqua has changed frequently over the years, most recently with the release of OS X Yosemite in 2014 which introduced a flatter look and did away with the gel-like controls and metal-like components.

Aqua (satellite)

Aqua (EOS PM-1) is a multi-national NASA scientific research satellite in orbit around the Earth, studying the precipitation, evaporation, and cycling of water. It is the second major component of the Earth Observing System (EOS) preceded by Terra (launched 1999) and followed by Aura (launched 2004).

The name "Aqua" comes from the Latin word for water. The satellite was launched from Vandenberg Air Force Base on May 4, 2002, aboard a Delta II rocket. Aqua is on a Sun-synchronous orbit. It flies as the second in the satellite formation called the " A Train" with several other satellites ( Aura, CALIPSO, CloudSat, OCO-2, the French PARASOL, and the Japanese GCOM W1).

Aqua (color)

Aqua (from for water) is a greenish-blue color, a variation of the color cyan. The web color aqua is identical to the web color cyan, also sometimes called electric cyan, one of the three secondary colors of the RGB color model used on computer and television displays. In the HSV color wheel aqua is precisely halfway between green and blue. However, aqua is not the same as the primary subtractive color process cyan used in printing.

The words "aqua" and "cyan" are used interchangeably in computer graphics, and especially web design, to refer to the additive secondary color "cyan". Both colors are made exactly the same way on a computer screen, by combining green and blue light at equal and full intensity on a black screen. Traditionally, that color, defined as #00FFFF in hex, or (0,255,255) in RGB, is called "cyan", but X11 color names introduced the alternative name "aqua". Later, W3C popularized the name by using it in the named color palette of HTML 3.2 specifications.

Aqua (record producer)

Nicholas McCarrell (born April 6, 1982), professionally known as Aqua, is an American record producer and composer of film and television scores. As a record producer, he has most notably worked with Roc-a-fella Records artists Jay-Z, Kanye West, and Beanie Sigel. His scoring credits include Entourage and George Lopez.

Aqua (Angra album)

Aqua is the seventh full-length studio album by Brazilian progressive/ power metal band Angra. It was released on August 11, 2010 and August 17, 2010 in Japan and Brazil, respectively. It is their last recording to feature Edu Falaschi on lead vocals, and their only studio album on which drummer Ricardo Confessori returns.

Aqua (band)

Aqua is a Danish eurodance group, best known for their 1997 breakthrough single " Barbie Girl". The group formed in 1989 and achieved huge success around the globe in the late 1990s and early 2000s. The group released three albums: Aquarium in 1997, Aquarius in 2000 and Megalomania in 2011. The group sold an estimated 33 million albums and singles, making them the most successful Danish band ever.

In their prime, Aqua's singles managed to chart top ten in a number of countries where European pop acts would not normally succeed, including the United States, Canada, Brazil, Australia, and Japan. The group managed to top the UK Singles Chart with three of their singles. The group also caused controversy with the double entendres in their "Barbie Girl" single, with the Barbie doll makers Mattel filing a lawsuit against the group. The lawsuit was finally dismissed by a judge in 2002, who ruled "The parties are advised to chill."

The band's members are vocalists Lene Nystrøm and René Dif, keyboardist Søren Rasted, and guitarist Claus Norreen. During their split, Nystrøm, Dif and Rasted all achieved solo chart success, and Norreen continued in the music industry remixing other artists' material.

At a press event on 26 October 2007, the group announced a reunion tour, as well as the release of a compilation album featuring new material. Their third album, Megalomania, was released on 3 October 2011.

Aqua (Asia album)

Aqua is the fourth studio album by British rock band Asia, released in 1992.

It is the first album with new singer and bassist John Payne, the first Asia album with guitarist Al Pitrelli, and the first album with original guitarist Steve Howe since 1983's Alpha. Howe and original drummer Carl Palmer would both leave Asia shortly after the release; making of Aqua the band's final release to feature either of them in an official capacity until the original line-up reunited in 2006 and released 2008's Phoenix.

Aqua (skyscraper)

Aqua is an 82- story mixed-use residential skyscraper in the Lakeshore East development in downtown Chicago, Illinois. Designed by a team led by Jeanne Gang of Studio Gang Architects, with James Loewenberg of Loewenberg & Associates as the Architect of Record, it includes five levels of parking below ground. The building's eighty-story, base is topped by a terrace with gardens, gazebos, pools, hot tubs, a walking/running track and a fire pit. Each floor covers approximately . The Aqua was awarded the Emporis Skyscraper Award as 2009 skyscraper of the year, and was shortlisted in 2010 for the biennial International Highrise Award.

Aqua (Kingdom Hearts)

, also known as , is a fictional character from Square Enix's video game franchise Kingdom Hearts. Having first made cameo appearances in the game Kingdom Hearts II, Aqua was introduced in the 2010 prequel Kingdom Hearts Birth by Sleep as one of the three protagonists. In the title, Aqua is introduced as a Keyblade-wielding warrior training under Master Eraqus alongside her best friends Terra and Ventus. Following the disappearance of Master Xehanort, a comrade of Eraqus, Aqua and Terra are tasked with searching for him as while protecting the worlds from creatures known as Unversed.

Unlike Terra and Ventus, Aqua was the only protagonist from Birth by Sleep who did not have a point of reference for director Tetsuya Nomura to design from, and thus was designed from scratch. Later in the design process, Nomura became concerned that Aqua would not be a popular character, and this drove his decision to make her very distinct in her personal bravery and combat abilities. While her outfit design was based on Terra's, her movements were chosen to distinguish her from other characters by having her specialize in magical combat. Aqua has been voiced by Megumi Toyoguchi in Japanese and Willa Holland in English. Aqua received mixed reviews from game critics, citing boring plot lines and unenthusiastic voice acting combined with weak combat skills. With fans, Aqua was well received, and is one of Kingdom Hearts most popular characters.

Aqua (Edgar Froese album)

Aqua is the debut solo album by Tangerine Dream frontman Edgar Froese, released in 1974. It was originally released in two different mixes, one by Brain Records in Germany, and the other by Virgin Records in the rest of the world. There is also a re-recorded version from 2005 on Eastgate, which sounds quite different.

Aqua (video game)

Aqua (also known as Aqua - Naval Warfare) is an arcade-action shooter with tactical elements, driven by a steampunk story in which the vast majority of the world is covered with water. Aqua was developed by Games Distillery on their own proprietary engine and published by Microsoft Game Studios. It was released for the Xbox 360 via Xbox Live Arcade on May 19, 2010. The game is set in an alternate reality where most of the Earth is covered with water and factions war for the remaining pieces of land.

The game received mixed reception from reviewers. Aggregate websites GameRankings and Metacritic report average scores of 66.23% and 61/100, respectively. Critics gave high praise to the game's hand-drawn cutscenes and steampunk setting. Gameplay was received to mixed commentary among reviewers. Critics praised the game's length and some also praised Aqua for attempting to do more than typical twin-stick shooters, but others expressed disappointment in the number of escort missions and lack of online multiplayer.

Usage examples of "aqua".

The aqueduct, the immense Aqua Augusta, seemed to be dying in his hands.

The best he gave to Becco and Corvinus, on the grounds that they would have the most riding to do, and he was still explaining his reasons to an aggrieved Corax when Musa reappeared to announce that the castellum aquae was deserted.

Qua difficultate eorum cogmta Caesar sagittariis funditoribusque dispositis, tormentis etiam quibusdam locis contra facillimos descensus collocatis aqua fluminis prohibebat oppidanos.

A man who Kate assumed was Diederik was standing out there at a table beneath an aqua umbrella, pouring wine into glasses.

She remembered the love in his aqua gaze that used to wash over her so tenderly, the gentle caress of his powerful arms, and the sweet feel of his mouht when he kissed her.

The Anio Novus reached Rome in its own channel after a course of 86,964 meters, but for the last seven miles it ran on the same arches with the Aqua Claudia.

Generally it answers the same purpose as aqua regia, and is employed where the addition of nitric acid to a solution has to be specially avoided.

When the purer metal is required, gold should be dissolved in aqua regia, the solution evaporated to a paste, diluted, allowed to stand, and filtered.

In alloys it may be found by dissolving them in nitric acid or in aqua regia, evaporating with hydrochloric acid, and treating the filtrate with ammonic chloride and alcohol.

They are soluble in nitric acid or aqua regia, and, provided the solution is sufficiently acid, they remain dissolved.

The reduced metal is only slowly dissolved by hydrochloric acid, and although it is readily soluble in aqua regia, the solution cannot be evaporated or freed from the excess of acids, by boiling, without loss of tin, because of the volatility of stannic chloride.

This may be got rid of by boiling in aqua regia, and dissolving out the tungstic acid which has been liberated by means of ammonia.

Aqua regia dissolves tin readily, forming stannic chloride, and in this solution the metal is detected by precipitation with sulphuretted hydrogen, which gives a yellow precipitate.

Since almehneht have some of the same copper-containing protein as the ometvaheem, his sclera was aqua too, a lighter aqua though.

However Jenny felt a little relief, seeing dark aqua sclera, giving his eyes some normalcy.