lordosis

noun
lor·​do·​sis | \ lȯr-ˈdō-səs How to pronounce lordosis (audio) \
plural lordoses\ lȯr-​ˈdō-​ˌsēz How to pronounce lordosis (audio) \

Definition of lordosis

1a : the normal convex curvature of the cervical and lumbar regions of the spine
b : abnormally exaggerated forward curvature of the lumbar and cervical regions of the spine resulting in a concave back when viewed from the side : hyperlordosis, swayback — compare kyphosis
2 : a mating posture of some sexually receptive female mammals (such as rats) in which the head and rump are raised and the back is arched downward

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Other Words from lordosis

lordotic \ lȯr-​ˈdä-​tik How to pronounce lordosis (audio) \ adjective

Examples of lordosis in a Sentence

Recent Examples on the Web Tech neck explained The natural curvature (lordosis) in our neck is designed to take the weight of our 10- to 12-pound head and place it over structures of the spine designed to support it. Detroit Free Press, "Are phones causing 'tech neck' pain?," 22 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lordosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of lordosis

1704, in the meaning defined at sense 1b

History and Etymology for lordosis

New Latin, from Greek lordōsis, from lordos curving forward; akin to Old English belyrtan to deceive

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Time Traveler for lordosis

Time Traveler

The first known use of lordosis was in 1704

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Cite this Entry

“Lordosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lordosis. Accessed 4 Mar. 2021.

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More Definitions for lordosis

lordosis

noun
lor·​do·​sis | \ lȯr-ˈdō-səs How to pronounce lordosis (audio) \

Medical Definition of lordosis

1 : the normal convex curvature of the cervical and lumbar regions of the spine
2 : abnormally exaggerated forward curvature of the lumbar and cervical regions of the spine resulting in a concave back when viewed from the side

called also swayback

— compare kyphosis, scoliosis

Other Words from lordosis

lordotic \ -​ˈdät-​ik How to pronounce lordosis (audio) \ adjective
lordotic posture

More from Merriam-Webster on lordosis

Britannica.com: Encyclopedia article about lordosis

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