copper (Cu); bronze (medal)
weight (for scales); counterweight
shakudo; gold-copper alloy, often with a blue patina
bronze or copper (color, colour)
copperplate engraving; etching
copper plate; copperplate
bell-shaped bronze vessel of Yayoi period
bronze (third-place) prize
gold, silver and bronze (medals)
copper saucepan; copper pot
Wadō era (708.1.11-715.9.2)
bronze medal; copper medal
bronze hoko; bronze halberd; bronze spearhead
copper oxide (i.e. cuprous oxide, cupric oxide)
copper pyrites; fool's gold; chalcopyrite
bronze wedding (anniversary)
cupronickel (alloy of approximately 80% copper and 20% nickel)
copper foil (used in copper plating); copper layer (of printed circuits)
dorayaki; dessert sandwich of two small sweet pancakes and red bean paste
dorayaki; dessert sandwich of two small sweet pancakes and red bean paste
bronze hoko; bronze halberd; bronze spearhead
cupreous chafer (scarabaeid beetle, Anomala cuprea)
cuprous ammoniacal process
vitreous copper; copper glance; chalcocite
Copper Age (period in which metal tools started to be used alongside stone tools)
copper yeast; copper-enriched yeast
copper alloy with traces of silver, lead, or tin
copper alloy with traces of silver, lead, or tin
cuprite; red copper; red copper ore
cupriferous; containing copper