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