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plateau
6 dictionary results for: Plateau
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
pla·teau       [pla-toh or, especially Brit., plat-oh] Pronunciation Key noun, plural -teaus, -teaux       [-tohz, -tohz] Pronunciation Key, verb, -teaued, -teau·ing.
–noun
1.a land area having a relatively level surface considerably raised above adjoining land on at least one side, and often cut by deep canyons.
2.a period or state of little or no growth or decline: to reach a plateau in one's career.
3.Psychology. a period of little or no apparent progress in an individual's learning, marked by an inability to increase speed, reduce number of errors, etc., and indicated by a horizontal stretch in a learning curve or graph.
4.a flat stand, as for a centerpiece, sometimes extending the full length of a table.
–verb (used without object)
5.to reach a state or level of little or no growth or decline, esp. to stop increasing or progressing; remain at a stable level of achievement; level off: After a period of uninterrupted growth, sales began to plateau.
–verb (used with object)
6.to cause to remain at a stable level, esp. to prevent from rising or progressing: Rising inflation plateaued sales income.

[Origin: 1785–95; < F; OF platel flat object, dim. of plat plate1]
American Heritage Dictionary - Cite This Source - Share This
pla·teau       (plā-tō')  Pronunciation Key 
n.   pl. pla·teaus or pla·teaux (-tōz')
  1. An elevated, comparatively level expanse of land; a tableland.
  2. A relatively stable level, period, or state: Mortgage rates declined, then reached a plateau.

intr.v.   pla·teaued, pla·teau·ing, pla·teaus
To reach a stable level; level off: "The tension seemed to grow by degrees, then it plateaued" (Tom Clancy).


[French, from Old French platel, platter, from plat, flat; see plate.]

Online Etymology Dictionary - Cite This Source - Share This
plateau 
1796, "elevated tract of relatively level land," from Fr. plateau, from O.Fr. platel (12c.) "flat piece of metal, wood, etc.," dim. of plat "flat surface or thing," noun use of adj. plat (see plat). Meaning "stage at which no progress is apparent" is attested from 1897, originally in psychology of learning. The verb is attested from 1952, from the noun.

WordNet - Cite This Source - Share This
plateau

noun
a relatively flat highland [syn: tableland

The American Heritage Science Dictionary - Cite This Source - Share This
plateau       (plā-tō')  Pronunciation Key 
An elevated, comparatively level expanse of land. Plateaus make up about 45 percent of the Earth's land surface.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Plateau

Pla*teau"\, n.; pl. F. Plateaux (F. ?; E. ?), E. Plateaus. [F., fr. OF. platel, properly a little plate. See Plate.]

1. A flat surface; especially, a broad, level, elevated area of land; a table-land.

2. An ornamental dish for the table; a tray or salver.

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