pie chart

noun

a circular chart divided into triangular areas proportional to the percentages of the whole

• Hypernyms: ↑chart

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noun

Etymology: pie (II)

: 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

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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]

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pie chart, pie diagram or pie graph noun

A circle divided into sections by radii so as to show relative numbers or quantities

• • •

Main Entry: ↑pie

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pie chart UK US noun [countable] [singular pie chart plural pie charts] maths

a circle divided into sections in order to show how something is divided into different amounts

Thesaurus: graphs, charts and diagrams_hyponym

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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.

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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

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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

* * *

ˈpie chart [pie chart pie charts] noun

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:

illustrate

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 Banks at ↑evidence, ↑fall, ↑increase, ↑proportion, ↑surprising

 

Language Bank:

process

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.

Next

▪ /

Second

▪, the wood chips are pulped, either using chemicals or in a pulping machine.

▪ 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.

notes at ↑firstly, ↑lastly

Language Banks at ↑conclusion, ↑first

 

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.