Sinegender or singender is a geometric mathgender related to having two or more genders and fluctuating between them, encompassing everything between, similar to the oscillations of the sine function graph.
History and Flag
The term was created by Tumblr user nonbinarybumblebee on July 15, 2014.[1] The first sinegender flag was created by Tumblr user beyond-mogai-pride-flags on February 24, 2019.[2]
The alternate sinegender flag was created by Tumblr user gender-resource on April 13, 2020.[3] The pallet of the alternate flag was created by drawing a sine function through the color spectrum between yellow and purple, two colors that represent non-binary people.