hemoclysm

H4E1M3O1C3L1Y4S1M3

noun

A violent and bloody conflict, a bloodbath; specifically (chiefly with capital initial), the period of the mid-twentieth century encompassing both world wars.

First used 20th c.Scrabble 21

Meanings

nounhemoclysm (plural hemoclysms)

plural hemoclysms

  1. A violent and bloody conflict, a bloodbath; specifically (chiefly with capital initial), the period of the mid-twentieth century encompassing both world wars.First known use 20th c.

    During the early phase of the Hemoclysm war still possessed a thin veneer of glory, soldiers dying with greater frequency than the unarmed masses of civilians.

    2013, Carl Mosk, Nationalism and Economic Development in Modern Asia, page 233
    3 more examples

    It's very possible, therefore, that future historians will consider these events to be mere episodes of a single massive upheaval -- the "Hemoclysm", to give it a name (Greek for "blood flood") -- which took the lives of some 155 million people.

    1998, Matthew White, “30 Worst Atrocities of the 20th Century”, in Twentieth Century Atlas

    In 1911, the Eastern hemoclysm, a Greek term for "blood flood," began with the ousting of the Manchu dynasty in China, leading to thirty-eight years of Civil War and a Japanese invasion.

    2001, Cheryl A. Kirk-Duggan, Misbegotten Anguish, page 67

    ‘The twentieth century was the bloodiest in history’ […] The claim is rarely backed up by numbers from any century other than the 20th, or by a mention of the hemoclysms of centuries past.

    2011, Steven Pinker, The Better Angels of Our Nature, Penguin 2012, page 233

Origin

  1. Ancient Greekκλυσμός“wash; flood”
  2. Englishhemoclysm

Coined by Matthew White (a historian) (see citation 1998, below), from hemo- + Ancient Greek κλυσμός (klusmós, “wash; flood”).

Full word history & related roots →
Cite this entry
APA

hemoclysm. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hemoclysm

MLA

“hemoclysm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hemoclysm. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “hemoclysm,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hemoclysm.

Source: hemoclysm on Wiktionary, CC BY-SA 4.0.