hōura
1. (loan) (noun) soda - any of various compounds of sodium in common use, e.g. washing soda, caustic soda.
He paura hei whakaranu mō ngā mahi purini me ngā mahi keke: hāwhe pāuna hōura, hāwhe pāuna kirīmi tatā, e rua aunihi atiti, kotahi kapu kī i te parāoa maroke nei (TJ 26/10/1899:9). / Baking powder to mix together for making puddings and cakes: half pound soda, half pound cream of tartar, two ounces of citric acid, one full cup of dry flour.