疎そ水すい基きそすいきMeanings1nounhydrophobic groupTechnical term in chemistry for a functional group that repels water.界かい面めん活かっ性せい剤ざいの分ぶん子しには親しん水すい基きと疎そ水すい基きがある。Surfactant molecules have a hydrophilic group and a hydrophobic group.