Examples from the Web for buna
They appear to have confidence that they will have justice under the Buna Ranee.
As soon as the coins are struck, we shall divide the profits, wish one another 'buna nopte!'The Poor Plutocrats|Maurus Jkai
synthetic rubber made from butadiene, from German Buna, from first elements of butadiene, name of a hydrocarbon (related to butane; the suffix indicates the presence of two double bonds) + Na, indicating sodium (from natrium; see sodium).