RFD discussion: August–December 2021

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Moved here fromWiktionary:Requests for deletion/English.  --Lambiam12:05, 25 August 2021 (UTC)Reply

Rfd-redundant

1. (mathematics)Used to denote the thirdcoordinate inthree-dimensionalCartesian andcylindrical coordinate systems.

   ${\displaystyle x^2+y^2+z^2=1}$

2. (analytic geometry,classical mechanics) Quantity along the third axis in a three-dimensional system, vertical when applicable.— Thisunsigned comment was added by87.68.161.235 (talk) at21:21, 24 August 2021 (UTC).Reply

Delete. I agree that the last one is redundant; moreover, “vertical when applicable” is not universally true; inz-buffering the variable${\displaystyle z}$ stands for the depth incamera space, which is usually horizontal (from the camera to the object).  --Lambiam11:59, 25 August 2021 (UTC)Reply

• RFD-deleted. —Μετάknowledge^{discuss/deeds}04:35, 4 December 2021 (UTC)Reply

RFD discussion: August 2021

The following discussion has been moved fromWiktionary:Requests for deletion (permalink).

This discussion is no longer live and is left here as an archive. Please do not modify this conversation, but feel free to discuss its conclusions.

Moved toWiktionary:Requests for deletion/Non-English#z.  --Lambiam12:08, 25 August 2021 (UTC)Reply

(or Z) 1. 26th letter of English alphabet 2. written letter "z"