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Irrespective of what the chart is displaying, what is the best term to describe a part/slice/share/portion of a pie chart?

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6 Answers 6

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15

The correct term is slice, fitting the pie metaphor.

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5
  • Slice is good because it fits the metaphor, but I think it's a little bit whimsical & familiar for, say, a formal business or academic presentation. In those contexts, segment and sector would be more likely to slot in without calling attention to themselves.
    – FumbleFingers
    Commented Apr 8, 2011 at 16:30
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    I don't agree that it is whimsical. Sector is the correct mathematical term for this sort of part of a circle and is perfectly acceptable. Anybody using a pie chart in academia is deserving of ridicule. ;)
    – z7sg Ѫ
    Commented Apr 8, 2011 at 16:42
  • Hmm. Pie-charts are beneath the dignity of academia, huh? I can't be bothered to find online content from a redbrick uni to counter that - The Open University has a page on pie-charts that's easy to find. They are a bit 'populist', in that they use the word slice 4 times as opposed to only 3 segments. Maybe the redbricks might reverse that ratio. Maybe you're right anyway. Maybe there's no such thing as 'right' in these subtle distinctions, but I see your rebuttal has 5 upvotes already, so I guess you're at least winning.
    – FumbleFingers
    Commented Apr 8, 2011 at 22:01
  • I'll pick this answer, because IMO it bests suits the metaphor of the pie and the way these charts are used than sector. Anyway, thanks for all the answers
    – BiAiB
    Commented Apr 10, 2011 at 9:59
  • Tranche is posh and often used in business but maybe its too obvious for... a pie?
    – Jelila
    Commented Jan 30, 2018 at 6:19
6

Since each "part" is a sector of a circle, sector can be used IMO.

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5

I think the word "segment" would usually be used.

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    Isn't sector technically more accurate, at least from mathematical point of view? Though in practice I doubt anyone would object to "segment", in the more general sense of "a piece" rather than the strictly mathematical one :)
    – psmears
    Commented Apr 8, 2011 at 16:32
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    Interetsing -- you're right that geometrically, "sector" is the correct term, yet I think people more often call them segments. I guess they're not using "segment" in the mathematical sense.
    – Neil Coffey
    Commented Apr 8, 2011 at 18:49
3

All the ones mentioned are fine. You can also call it wedge, especially with 3D pies. One that is pulled out is called exploded wedge.

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2

Others have mentioned it, but the first word that came to my mind was "sector".

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0

I would tend to go with section.

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