helicoid

== English == === Etymology === From Ancient Greek ἑλικοειδής (helikoeidḗs); morphologically, from helico- +‎ -id. === Adjective === helicoid (comparative more helicoid, superlative most helicoid) Having the form of a flattened helix. Synonym: helicoidal ==== Derived terms ==== ==== Translations ==== === Noun === helicoid (plural helicoids) (mathematics) A minimal surface in the form of a flattened helix ==== Derived terms ==== isotropic helicoid ==== Translations ====