TOMBAK

tombac, tombak, tambac

(noun) an alloy of copper and zinc (and sometimes arsenic) used to imitate gold in cheap jewelry and for gilding

Source: WordNet® 3.1

Etymology 1

Noun

tombak (plural tombaks)

(musical instruments) A type of goblet drum used heavily in Persian music.

Synonyms

• zarb

Etymology 2

Noun

tombak (uncountable)

A brass alloy also known as red-bronze. Term used where zinc content is below 28%. Usually consists of 84-90 % copper and 16-10% zinc, sometimes including arsenic to mimic gold.

Synonyms

• Dutch brass

• German brass

Source: Wiktionary