Growth in U.S. clean energy investment has been flat for five years.
Hot, flat, and Crowded: Why We Need a Green Revolution—and How It Can Renew America by Thomas L. Friedman.
The craft-beer industry grew 11 percent in terms of volume in 2010, while the overall beer industry was flat.
Worried that it would be flat without an audience, he delivered it before a crowd of Republicans in an NBC studio.
There were stomachs, taut and flat, but also undulating bellies, soft and bloated from the breakfast buffet.
For Old Eli had been a failure, a flat, appalling, stupefying failure.
Sidney could hear her moving about with flat, inelastic steps.
Its tenets and its methods were in flat contradiction to true American precedents.
He must remember to ask Gidney for a copy of the play-bill to hang up in his flat!
Her pitchy-coloured hair hung loose about her head, and on it she wore a flat red cap.
early 14c., from Old Norse flatr, from Proto-Germanic *flataz (cf. Old Saxon flat "flat, shallow,: Old High German flaz "flat, level," Old English flet, Old High German flezzi "floor"), perhaps from PIE *plat- "to spread" (cf. Greek platys "broad, flat;" see plaice (n.)).
Sense of "prosaic, dull" is from 1570s; used of drink from c.1600; of musical notes from 1590s, because the tone is "lowered." Flat-out (adv.) "openly, directly" is from 1932; earlier it was a noun meaning "total failure" (1870, U.S. colloquial).
1801, from Scottish flat "floor or story of a house," from Old English flet "a dwelling, floor, ground," from the same source as flat (adj.).
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).
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.
3. A flat domain is one where all elements except bottom are incomparable (equally well defined). E.g. the integers.