Definitions of polygraph
-
a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)types:lie detectora polygraph that records bodily changes sometimes associated with lyingtype of:medical instrumentinstrument used in the practice of medicine
Cite this entry
Style:
MLA
- MLA
- APA
- Chicago
Copy citation
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘polygraph'.
Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors.
Send us feedback
Word Family
Vocabulary lists containing polygraph
Psychology
Get your neurons firing with this list of words related to psychology. You'll learn about parts of the brain, cognition and memory, psychiatry, phobias and psychological disorders, and more. This list will blow your mind!