cross section of torus

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Is there any particular name for the plane revolved about an external axis to form a torus? I was thinking of "cross section," but that could be taken as a vertical plane cutting the whole torus in two to produce dual planes or a horizontal plane cutting the torus in two to produce an annulus. I'm thinking of a cross section formed by a vertical plane extending outward from the center of the torus and cutting through it on only one side.

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I'd think that cross-section is perfectly valid for any intersecting plane hitting the torus. Even so I admit, like you already did, that this notion mentally might be wrongly understood to meen the orthogonal case with the axis of the torus being fully included within the cutting plane. Therefore I'd advise you to take refuge to according adjectives in addition. E.g. non-symmetrically alligned / affine / non-orthogonal / off-centric - or the like.

--- rk