blue billy
now chiefly historical
noun
1Impure lime containing blue iron compounds, especially as a waste product of coal gas manufacture; liquid containing this.
2Copper-containing iron pyrites residue from the processing of copper ore.
Origin
Mid 19th century; earliest use found in Repertory Patent Inventions. Apparently from blue + the male forename Billy, pet-form of William.
- noncommunicating
- non-communicative
- non-communion
- non-communist
- non-commutative
- non-commutativity
- noncompact
- non-compearance
- non-compete
- non-competitive
- non-complex
- non-compliance
- non-compliant
- non-complying
- non compos
- non compos mentis
- non-compounder
- non-compulsory
- non-concur
- non-concurrence
- non-concurring
- non-condensing
- non-conducting
- non-conduction
- non-conductive