hemihelix

== English == === Etymology === From hemi- +‎ helix. === Noun === hemihelix (plural hemihelixes or hemihelices) a three-dimensional geometric shape similar to a helix, but with one or more perversions causing changes in chirality along its run ==== Coordinate terms ==== perversion (a region where the chirality reverses) tendril perversion (long form of "perversion") chirality (the direction of twist) ==== Related terms ==== helix hemi-