(organic chemistry) Any compound that has six galacturonate groups / (organic chemistry) Any salt or ester of hexagalacturonic acid (hexamer of galacturonic acid)

plural of hawkie

plural of estrade

(astronomy) One of the brightest stars in the sky, now recognised to be a binary star in the constellation Taurus (alpha (α) Tauri); an orange giant, 68 light years from Earth.