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thanatology

[ than-uh-tol-uh-jee ]
/ ˌθæn əˈtɒl ə dʒi /
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noun

the study of death and its surrounding circumstances, as in forensic medicine.
Psychiatry. the study of the effects of death and dying, especially the investigation of ways to lessen the suffering and address the needs of the terminally ill and their survivors.

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Origin of thanatology

First recorded in 1835–45; thanato- + -logy
than·a·to·log·i·cal [than-uh-tl-oj-i-kuhl], /ˌθæn ə tlˈɒdʒ ɪ kəl/, adjectivethan·a·tol·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for thanatology

thanatology
/ (ˌθænəˈtɒlədʒɪ) /

noun

the scientific study of death and the phenomena and practices relating to it
C19: from Greek thanatos death + -logy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for thanatology

thanatology
[ thăn′ə-tŏlə-jē ]

n.

The study of death and dying, especially of their psychological and social aspects.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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