环面 — meaning in English

English meaning

• doughnut noun A small, sweet, deep-fried piece of dough, usually ring-shaped or filled with jam or cream.
• torus noun The standard representation of such a space in 3-dimensional Euclidean space: a surface or solid formed by rotating a closed curve, especially a circle, about a line which lies in the same plane but does not intersect it (e.g. like a ring doughnut).

Senses

环面 is used for these senses in English:

• doughnut (Australia, North America) A peel-out or skid mark in the shape of a circle; a 360-degree skid.
• torus (geometry) The standard representation of such a space in 3-dimensional Euclidean space: a surface or solid formed by rotating a closed curve, especially a circle, about a line which lies in the same plane but does not intersect it (e.g. like a ring doughnut).

doughnut — full definition

1. noun A small, sweet, deep-fried piece of dough, usually ring-shaped or filled with jam or cream.
2. noun Anything shaped like a ring or torus, such as a spare tyre or a skid mark made by spinning a car in a circle.

torus — full definition

1. noun The standard representation of such a space in 3-dimensional Euclidean space: a surface or solid formed by rotating a closed curve, especially a circle, about a line which lies in the same plane but does not intersect it (e.g. like a ring doughnut).
2. noun A topological space which is a product of two circles.
3. noun The product of the specified number of circles.
4. noun A ring-shaped object, especially a large ring-shaped chamber used in physical research.

Related Chinese words