No definitions found for 'quaternian algebra'
Perhaps one of these:
quaternion,
quadrinomial,
quadrennial,
quaternate,
quadrinomical,
qatari monetary unit,
quadrant of altitude,
quateron,
quadrinodal,
quadrangular,
quadrumane,
quaternary ammonium compound,
quaternary,
quadrantal versor,
quatern,
quadrumana,
quadrennially,
quadrantanopia,
quadrumanous,
quadrans,
quadrantal,
quadrangular prism,
quadrangle,
quadriennial,
quito orange,
quadrantes,
quitrent,
quadrinominal,
quadroon,
quit rent,
quaternity,
quadrant,
quadrennium,
quaternary period,
quadriennium utile,
quadrantal triangle,
quadrumvirate,
quatrain,
quadrangularly,
quadrin