| 释义 |
Definition of residuum in English: residuumnounPlural residua rɪˈzɪdjʊəmrəˈzɪdʒəwəm 1technical A chemical residue. Example sentencesExamples - The barite ore is massive and occurs within residuum derived from carbonate units.
- Type I peridotites are interpreted to be the residua remaining after extraction of a partial melt.
- These soils are moderately deep to deep, well-drained loam or silt loam surface soils with loam or silty clay loam subsoils, formed primarily in sandstone residuum.
- After evaluation of the residuum and comparison with a threshold value, a fault signal is generated when the residuum reaches the threshold value.
- But figuring out exactly how to regenerate ammonia borane from the residuum left after hydrogen has been extracted remains a stumbling block.
Synonyms remainder, remaining part, part leftover, rest, remnant, remnants 2Sociology
A class of society that is unemployed and without privileges or opportunities. 〔社会学〕弱势阶层，弱势群体（指社会上无业、无特权或无机会者） Example sentencesExamples - There has always been a problem of classification in treatments of this social residuum; that of distinguishing between the worthy and unworthy poor.
- Whereas the incorporation of the working class modified their systematic resentment at policing, police conflict with the residuum at the base of the social hierarchy remained.
- Though the residuum is in one sense a social category, the concept implies that the group stands outside society and resists easy categorization.
- Examples would be vagrants, skid-row alcoholics, the unemployed or casually employed residuum, youth adopting a deviant cultural style, ethnic minorities, gays, prostitutes and radical political organizations.
OriginLate 17th century: from Latin, neuter of residuus 'remaining', from the verb residere. Definition of residuum in US English: residuumnounrəˈzɪdʒəwəmrəˈzijəwəm technical A substance or thing that remains or is left behind, in particular, a chemical residue. 〈技〉残留物，余留物，尤指 Example sentencesExamples - Type I peridotites are interpreted to be the residua remaining after extraction of a partial melt.
- But figuring out exactly how to regenerate ammonia borane from the residuum left after hydrogen has been extracted remains a stumbling block.
- These soils are moderately deep to deep, well-drained loam or silt loam surface soils with loam or silty clay loam subsoils, formed primarily in sandstone residuum.
- The barite ore is massive and occurs within residuum derived from carbonate units.
- After evaluation of the residuum and comparison with a threshold value, a fault signal is generated when the residuum reaches the threshold value.
Synonyms remainder, remaining part, part leftover, rest, remnant, remnants
OriginLate 17th century: from Latin, neuter of residuus ‘remaining’, from the verb residere. |