purification
词根词缀：
amplification n. 扩大
amplify 扩大 + ification 形成…，…化 → 扩大
certification n. 证明
certify 证明 + ification 形成…，…化 → 证明
clarification n. 澄清
clarify 澄清 + ification 形成…，…化 → 澄清
classification n. 分类
classify 把…分类 + ification 形成…，…化 → 分类
identification n. 身份证明；鉴定
identify 鉴定 + ification 形成…，…化 → 身份证明；鉴定
intensification n. 强烈；加强
intensify 加强 + ification 形成…，…化 → 强烈；加强
modification n. 修改
modify 修改 + ification 形成…，…化 → 修改
purification n. 净化
purify 使洁净 + ification 形成…，…化 → 净化
rarefaction n. 稀薄
rarefy 变稀薄 + faction 形成…，…化 → 稀薄
satisfaction n. 满足
satisfy 满足 + faction 形成…，…化 → 满足
unification n. 统一
unify 统一 + ification 形成…，…化 → 统一
verification n. 确认
verify 确认 + ification 形成…，…化 → 确认
数据来源：新东方英语词汇速记大全
相关例句：
Author has introduced the technical features and the present technical progress of purification process of low temperature methanol washing;
介绍了低温甲醇洗净化工艺的技术特点和近期技术进展；
In industry organic waste gas purification and room air purification;
工业有机废气净化和室内空气净化；
In this paper, the magnetite purification and two methods for obtaining ultrafine magnetite powder were introduced.
介绍了磁铁矿的选矿提纯方法和获得磁铁矿超细粉的两种途径。
The purification of lac red pigment using macroporous absorption resin was investigated in this paper.
研究大孔吸附树脂吸附精制紫胶红色素的工艺。
High-quality cellulose can be obtained from wood through pulping and subsequent purification.
高质量纤维素可通过木头成浆和后续提纯。
Extraction, isolation, purification and functional properties of Tremella polysaccharides were studied in the paper.
本实验研究了银耳多糖的提取、分离、纯化及其功能性质。