extraction
Word family
Longman Dictionary of Contemporary English 5++LDOCE 5++ex·trac·tion /ɪkˈstrækʃən/ AWL noun 1 [countable, uncountable]REMOVE the process of removing or obtaining something from something else 取出；提炼extraction of the extraction of salt from seawater 从海水中提取盐 the extraction of information from appropriate reference sources 从合适的参考书中摘录资料mineral/oil etc extraction 矿物/石油等的提炼2. be of French/Russian/Italian etc extraction SANto be from a French, Russian etc family even though you were not born in that country 祖籍法国/俄罗斯/意大利等Examples from the Corpus
extraction• Heavy with child I come to ask for an extraction.• I didn't like having my teeth drilled but extractions were infinitely worse.• Silicone lubricant enhances recovery of nucleic acids after phenol-chloroform extraction Phenol-chloroform extraction is a major step in the purification of nucleic acids.• Recorded conversations can either be analyzed for relevant communications in situ or transported to an information extraction facility.• This is practical, useful information, since it makes extraction of these gases relatively easy.• La Chevardière himself was of noble extraction, and supplied scores to highly-placed aristocrats.• A final chapter describes the standardization of single and sequential extraction procedures and certification of soil and sediment reference materials.• The three pellets previously mentioned were found in the gall of the Saint at the time of the extraction of her heart.• The protesters are opposed to the extraction of minerals in the area.• Dentists will only resort to extraction of a tooth when all other treatments have failed.extraction of• the extraction of coal and other natural resourcesex·trac·tion nounChineseSyllable
the removing obtaining something process of Corpus or
extraction
ex‧trac‧tion AC /ɪkˈstrækʃən/
noun1. [uncountable and countable] the process of removing or obtaining something from something else
extraction of
the extraction of salt from seawater
the extraction of information from appropriate reference sources
mineral/oil etc extraction
2. be of French/Russian/Italian etc extraction to be from a French, Russian etc family even though you were not born in that country
ex‧trac‧tion AC /ɪkˈstrækʃən/
noun1. [uncountable and countable] the process of removing or obtaining something from something elseextraction of
mineral/oil etc extraction
2. be of French/Russian/Italian etc extraction to be from a French, Russian etc family even though you were not born in that country