# Tori

/ˈtɔɹi/ (US) · /tˈɔːɹi/ (UK) · CEFR C2 · Noun

Source: https://englishreference.com/word/tori
Updated: 2026-08-15

## Definition

the plural form of torus. It refers to shapes that look like a doughnut or a ring.

For teachers: the plural of 'torus'; refers to surfaces or solids formed by rotating a closed curve, typically a circle, around an external axis.

## Examples

- The mathematician drew several tori on the chalkboard.
- In geometry class, we studied how tori differ from spheres in terms of their surface properties.
- Advanced topological models often utilize tori to demonstrate how surfaces with holes behave under continuous deformation without tearing or gluing.

## Usage notes

- The plural form of 'torus'; follows Latin pluralization rules and takes a plural verb.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.