- pie chart
__noun__a circular chart divided into triangular areas proportional to the percentages of the whole•__Hypernyms__: ↑chart* * *

*noun***:**a circle divided by several radii into sectors showing by their relative areas the relative magnitudes of quantities or the relative frequencies of items of a frequency distribution* * *

a graphic representation of quantitative information by means of a circle divided into sectors, in which the relative sizes of the areas (or central angles) of the sectors correspond to the relative sizes or proportions of the quantities. Also called**circle graph, pie graph**.[1920-25]* * *

**pie chart**,**pie diagram**or**pie graph**nounA circle divided into sections by radii so as to show relative numbers or quantities• • •Main Entry: ↑pie* * *

a circle divided into sections in order to show how something is divided into different amounts__Thesaurus:__graphs, charts and diagrams_{hyponym}* * *

**pie chart**,a graph in the form of a circle divided into sectors that resemble pieces of a pie, drawn to show the percentages into which any total sum is divided; circle graph.* * *

__n.__a type of graph in which a circle is divided into sectors that each represent a proportion of the whole**Origin:****1920s: because of the resemblance of the graph to a pie divided into portions*** * *

__noun__,__pl__**⋯ charts**[__count__]**:**a chart consisting of a circle that is divided into parts to show the size of the different amounts that are a part of a whole amount* * *

a diagram consisting of a circle that is divided into sections to show the size of particular amounts in relation to the whole__Word Origin:__1920s: because of the resemblance of the graph to a pie divided into portions.__Language Bank:__*Referring to a chart, graph or table***▪**This bar chart**illustrates****▪**how many journeys people made on public transport over a three-month period.**▪**This table**compares****▪**bus, train, and taxi use between April and June.**▪**The results**are shown****▪**in the chart below.**▪**In this pie chart, the survey results**are broken down****▪**by age.**▪**This pie chart**breaks down****▪**the survey results by age.**As can be seen from****▪**these results, younger people use buses more than older people.**According to****▪**these figures, bus travel accounts for 60% of public transport use.**From****▪**the data in the above graph,**it is apparent that****▪**buses are the most widely used form of public transport.__Language Bank:__*Describing a process***▪**This diagram**illustrates the process of****▪**paper-making. / This diagram**shows how****▪**paper is made.**First****▪**/**First of all****▪**, logs are delivered to a paper mill, where the bark is removed and the wood is cut into small chips.**▪**Pulping breaks down the internal structure of the wood and**enables****▪**/**allows****▪**the natural oils**to****▪**be removed.**Once****▪**/**After****▪**the wood has been pulped, the pulp is bleached**in order to****▪**remove impurities. /…is bleached**so that****▪**impurities**can****▪**be removed.**The next stage is to****▪**feed the pulp into the paper machine, where it is mixed with water**and then****▪**poured onto a wire conveyor belt.**As****▪**the pulp travels along the conveyor belt, the water drains away.**This causes****▪**the solid material**to****▪**sink to the bottom, forming a layer of paper.**At this point****▪**the new paper is still wet,**so****▪**it is passed between large heated rollers, which press out the remaining water and**simultaneously****▪**dry the paper. / …dry the paper**at the same time****▪**.**The final stage is to****▪**wind the paper onto large rolls. /**Finally****▪**, the paper is wound onto large rolls.__Example Bank:__**•****Produce a pie chart of each week's figures.****•****The pie chart showed that the computer had very little memory left.****•****There are limitations to the use of pie charts.**

*Useful english dictionary.
2012.*