TRANSMITTER By N., Sam M.S. - 18 noun. 1. a tool or instrument which encodes and passes a message or urgency to a receiver or helps in its transmission. 2. a neurotransmitter. TRANSMITTER: "The transmitters have gone awry." Related Psychology Terms Comparison of Assessment Tools Using the Hamilton Depression Rating Scale: A Case Study on Grief BDI-II Assessment RECEIVER Terms of Service ANTICIPATORY ATTITUDE CHANGE SLEEPER EFFECT LEARNING ADDS BIRTH ADJUSTMENTS NIHILISM (Nihilistic Delusion) Cite this page: N., Sam M.S., "TRANSMITTER," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/transmitter/ (accessed August 10, 2022).