APPARATUS

n. 1. an instrument, piece of equipment, used in an experiment for various purposes, such as delivering stimuli or measuring responses during an experiment. 2. in biology, this also refers to a group or system of structures that perform a particular function when added to each other. It may be microscopic, as in the intracellular Golgi apparatus, or macroscopic, as in the vestibular apparatus.

APPARATUS: "The person needed a lot of apparatus for the experiment, including a Bunsen burner, a test tube, and some chemicals."
Cite this page: N., Pam M.S., "APPARATUS," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/apparatus/ (accessed May 20, 2019).
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