(chemistry) any salt of dichromic acid; in solution the orange dichromate anion (Cr₂O₇²⁻) is in equilibrium with the yellow chromate anion (CrO₄²⁻), the relative amount of each ion depending on the pH; they are both very powerful oxidizing agents
medithorax
parethmoid
parethmoid
adj
(anatomy) Near or beside the ethmoid bone or cartilage; applied especially to a pair of bones in the nasal region of some fishes, and to the ethmoturbinals in some higher animals.
noun
(anatomy) A parethmoid bone.
ramdohrite
ramdohrite
noun
(mineralogy) A monoclinic-prismatic bluish black gray mineral containing antimony, lead, silver, and sulfur.
