receptors Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. special cells that receive signals from the environment. Example Sentence Some hormone receptors are implicated in diseases such as diabetes. More Example Sentences They detect light sound and touch. Synonyms sensors; detectors Antonyms effector Hear It! Say It! Write It! receptors Switch to cursive Start Share with your friends: