Definition of cuprous in English:

cuprous

Line breaks: cu|prous
Pronunciation: /ˈkjuːprəs
 
/

adjective

Chemistry
Of copper with a valency of one; of copper(I).
More example sentences
  • These reactions depend on the ability of the reducing sugar to convert cupric sulfate to cuprous oxide with a resulting color change.
  • The second is a group of cuprous [copper] oxide minerals, and ‘crepitus’ is an interesting medical word with two meanings that appear in the OED - with none in Webster's.
  • Under magnification, these altered surfaces do not exhibit the naturally occurring corrosion layers, such as red cuprous oxide and green, basic copper carbonate, that might be expected.

Origin

mid 17th century: partly directly from late Latin cuprum 'copper' (reinforced by cupric) + -ous.

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Word of the day erroneous
Pronunciation: ɪˈrəʊnɪəs
adjective
wrong; incorrect