Relating to, by, or from, one parent only.
Late 19th century; earliest use found in Francis Galton (1822–1911), biostatistician, human geneticist, and eugenicist. From uni- + parental.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。