Orthocarbonic

Or′tho‐car‐bon″ic (?), a. [Ortho- + carbonic.] (Chem.) Designating a complex ether, C.(OC2H5)4, which is obtained as a liquid of a pleasant ethereal odor by means of chlorpicrin, and is believed to be a derivative of the hypothetical normal carbonic acid, C.(OH)4.