a malleable ductile reddish metallic element occurring as the free metal, copper glance, and copper pyrites: used as an electrical and thermal conductor and in such alloys as brass and bronze. Symbol: Cu; atomic no: 29; atomic wt: 63.546; valency: 1 or 2; relative density: 8.96; melting pt: 1084.87±+0.2°C; boiling pt: 2563°C
▶ Related adjectives: cupric, cuprous ▶ Related prefix: cupro-
b.
(as modifier)
a copper coin
2.
a.
the reddish-brown colour of copper
b.
(as adjective)
copper hair
3. informal
any copper or bronze coin
4. mainly British
a large vessel, formerly of copper, used for boiling or washing
5.
any of various small widely distributed butterflies of the genera Lycaena, Heodes, etc, typically having reddish-brown wings: family Lycaenidae
verb
6. (transitive)
to coat or cover with copper
Derived forms
coppery (ˈcoppery)
adjective
Word origin
Old English coper, from Latin Cyprium aes Cyprian metal, from Greek Kupris Cyprus
Examples of 'cuprum' in a sentence
cuprum
Zinc-containing compounds showed lower toxicity than similar compounds with cuprum.
G. P. Paniotova, P. B. Antonenko, V. V. Godovan, I. I. Seifullina, O. A. Chebanenko,K. H. Lobashova 2017, 'Experimental evaluation of acute toxicity heterometalic new compounds – tartratogermanatcooper and zinc', Zaporožskij Medicinskij Žurnalhttp://zmj.zsmu.edu.ua/article/view/115271/113472. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Usage of apivite increased the cuprum content by 22.7% (p <0.001).
O.P. Razanova 2018, 'Increasing meat quality quails fed by biological active additives based on submergedbees', Ukrainian Journal of Ecologyhttp://ojs.mdpu.org.ua/index.php/biol/article/view/2316. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The content of cuprum, lead and zinc exceeded reference and for cooper and lead also indicated values.
Monika Vaľková, Fridrich Zeleňák, Peter Takáč, Ľubica Kozáková 2008, 'Heavy metals in soils in middle Spiš', Acta Montanistica Slovacahttp://actamont.tuke.sk/pdf/2008/n1/11takac.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)