8 letters · 17 points in Scrabble
noun from 190 million to 135 million years ago; dinosaurs; conifers
adjective of or relating to or denoting the second period of the Mesozoic era
originBorrowed from French Jurassique, named for the discovery and type location in the Jura Mountains of Switzerland. The -assic suffix was extracted from Triassic.
Etymology from Wiktionary, CC BY-SA 3.0