Online Google Dictionary

ameliorate 中文解釋 wordnet sense Collocation Usage Collins Definition
Verb
/əˈmēlyəˌrāt/,/əˈmēlēə-/,
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ameliorated, past tense; ameliorated, past participle; ameliorating, present participle; ameliorates, 3rd person singular present;
  1. Make (something bad or unsatisfactory) better
    • - the reform did much to ameliorate living standards
  1. better: to make better; "The editor improved the manuscript with his changes"
  2. ameliorating(a): tending to ameliorate
  3. (amelioration) the act of relieving ills and changing for the better
  4. (Amelioration (semantic)) Semantic change, also known as semantic shift or semantic progression describes the evolution of word usage — usually to the point that the modern meaning is radically different from the original usage. ...
  5. To make better, to improve; to heal; to solve a problem
  6. (Amelioration) The addition to juice or natural wine before, during, or after fermentation of either water or pure dry sugar, or a combination of water and sugar, to adjust the acid level.
  7. (Amelioration) A term literally meaning improvement, it is a euphemism for chemical intervention in winemaking. This refers to techniques used in areas where nature is deficient. This includes chaptalization, the addition of sugar for the purpose of raising the alcohol level, and acidification.
  8. (Amelioration) In wine production, the enhancement of the quality of a must or juice, such as changing acidity, pH or sugar level
  9. (amelioration) The process in which DNA that has been acquired by lateral gene transfer changes in composition (e.g., G + C content and codon usage) to resemble the genome in which it resides.
  10. (amelioration) [semantics,pragmatics] A semantic change which leads to an improvement in meaning as when nice progressed from ‘ignorant’ to ‘pleasant’ in the history of English. (German: Verbesserung)
  11. To improve or make better. Commonly referring to soil, when improving soil with respect to its plant growth properties.
  12. Technically, to add any substance to the must or new wine intended to enhance its quality, such as sugar, water, sweet reserve, or acid. However, there is another term specific to adding sugar (see Chaptalize), so ameliorate usually refers to adding water to a fruit or wild grape must.
  13. (v) - to improve; to make tolerable. amelioration (n)
  14. To improve something or make it better.