1A receptor associated with the lateral line system in many kinds of fish.
2A receptor highly sensitive to changes in infrared radiation, situated in a small depression in front of each eye of a pit viper.
Early 20th century; earliest use found in Science.
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。