noun🔗ShareRéalgarRealgar; red sulphide of arsenic."The old chemistry textbook warned that sandarac, a vibrant red pigment, was highly toxic due to its arsenic content. "L'ancien manuel de chimie avertissait que le réalgar, un pigment rouge vif, était hautement toxique en raison de sa teneur en arsenic.substancemineralchemistryChat with AIVocabulary GamePractice Reading
noun🔗ShareSandaraqueA white or yellow resin obtained from a north African tree (Tetraclinis articulata), and pulverized for pounce; probably so called from a resemblance to the mineral."The artist used sandarac on the paper before drawing, to help the ink adhere better. "L'artiste a utilisé de la sandaraque sur le papier avant de dessiner, pour aider l'encre à mieux adhérer.materialsubstancechemistryplantmineralChat with AIVocabulary GamePractice Reading
noun🔗ShareSandaraqueAny tree from the genus Tetraclinis."The gardener recognized the tall, aromatic tree as a sandarac. "Le jardinier a reconnu le grand arbre aromatique comme un sandaraque.plantbiologynatureChat with AIVocabulary GamePractice Reading
