flat

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flat

1. Chiefly Brit
a. (of races, racetracks, or racecourses) not having obstacles to be jumped
b. of, relating to, or connected with flat racing as opposed to steeplechasing and hurdling
2. (of trade, business, a market, etc.) commercially inactive; sluggish
3. (of a print, photograph, or painting) lacking contrast or shading between tones
4. (of a painting) lacking perspective
5. Music
a. denoting a note of a given letter name (or the sound it represents) that has been lowered in pitch by one chromatic semitone
b. (of an instrument, voice, etc.) out of tune by being too low in pitch
6. a low-lying tract of land, esp a marsh or swamp
7. a mud bank exposed at low tide
8. Music
a. an accidental that lowers the pitch of the following note by one chromatic semitone.
b. a note affected by this accidental
9. Theatre a rectangular wooden frame covered with painted canvas, etc., used to form part of a stage setting
10. often cap; preceded by the Chiefly Brit
a. flat racing, esp as opposed to steeplechasing and hurdling
b. the season of flat racing
11. Nautical a flatboat or lighter
12. US and Canadian a shallow box or container, used for holding plants, growing seedlings, etc.

flat

[flat]
(acoustics)
A musical note that is a half step lower than a specified note.
(engineering)
A nonglossy painted surface.
(geography)
A level tract of land.
(geology)
(graphic arts)
The sheet of glass on which negative films are placed close together for printing on sensitized metal in the photoengraving process.
An assemblage of negative or positive films used in preparing a photo-offset plate.
(mineralogy)
An inferior grade of rough diamonds.
(navigation)
A place covered with water too shallow for ordinary navigation.
The area between high- and low-water marks along the edge of an arm of the sea, a bay, or tidal river; the term is usually used in the plural.
(naval architecture)
A partial deck below the main deck, constructed without any camber.
(science and technology)
A smooth, even surface.
An object with a broad, shallow or thin form.

flat

1. Descriptive of a roof, etc., having little or no slope.
2. One floor of a multistory building or a dwelling unit on one floor.
3. Descriptive of paint having very low gloss.
4. A piece of framed stage scenery without thickness other than its framing members.
5. A metal bar having a rectangular cross section; if fabricated of steel, must have a minimum thickness of 0.203 in. (0.516 cm) and a maximum width of 8 in. (20.3 cm).

flat

(1)
Lacking any complex internal structure. "That bitty box has only a flat file system, not a hierarchical one." The verb form is flatten. Usually used pejoratively (at least with respect to file systems).

flat

(2)
Said of a memory architecture like that of the VAX or Motorola 680x0 that is one big linear address space (typically with each possible value of a processor register corresponding to a unique address). This is a Good Thing. The opposite is a "segmented" architecture like that of the Intel 80x86 in which addresses are composed from a base-register/offset pair. Segmented designs are generally considered cretinous.

flat

(3)
A flat domain is one where all elements except bottom are incomparable (equally well defined). E.g. the integers.

flat

(1) An appearance that is not sculpted or shaded. See flat design.

(2) Structures that are not hierarchical; for example, a list of items. Flat also refers to structures that do not contain explicit pointers to other structures. See flat file and flat address space. See also flat screen.
References in periodicals archive ?
Compared to the existing AH22 product, this device offers improved VSWR and gain flatness and higher gain over the entire CATV frequency band depending on customers' applications.
The table enacts an absence: What it lacks is (only) its essence, its surface - its flatness, that is to say.
The order includes multiple WaferSight(TM) wafer flatness and multiple AFS(TM) systems for qualification and certification of critical wafer geometry parameters.
FLATNESS by BW Higman; Reaktion Books: [pounds sterling]16.
The POV co-production with Opera de Montreal was good, but there was a curious flatness about it that kept it on the wrong side of great.
5 GHz radar applications, packaged in hermetically-sealed metal enclosures and exhibit outstanding performance in high gain, gain flatness, high output power and low noise.
The vendor also is releasing an L-band driver amplifier that displays solid gain performance of 47 dB while delivering competitive gain flatness of 1.
5 dB at high gain levels of 40 dB typical gain while also exhibiting gain flatness.
The International Union of Bricklayers and Allied Craftworkers, International Masonry Institute, and Tile Contractors Association of America have endorsed the American Society for Concrete Contractors Position Statement on Floor Flatness Tolerances, joining supporters Flooring Contractors Association and National Wood Flooring Association.
The NXA Ultimate laser-based shaft alignment tool comes with a complete software and hardware package for both shaft alignment and geometric measurements, such as flatness and straightness.