myasthenia

[ mahy-uhs-thee-nee-uh ]

/ ˌmaɪ əsˈθi ni ə /

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noun Pathology.

muscle weakness.

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Origin of myasthenia

First recorded in 1855–60; my- + asthenia

OTHER WORDS FROM myasthenia

my·as·then·ic

[mahy-uhs-then-ik], /ˌmaɪ əsˈθɛn ɪk/, adjective

Words nearby myasthenia

myalism, myall, Myanmar, My Antonia, myasis, myasthenia, myasthenia gravis, myatonia, myatrophy, myc-, Mycale

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use myasthenia in a sentence

Methotrexate also suppresses the immune system and is prescribed for multiple sclerosis, myasthenia gravis, rheumatoid arthritis, psoriasis, and Crohn’s disease, LaHue explained.
Abortion bans are impeding access to ulcer, arthritis, and cancer medications|Kate Baggaley|August 1, 2022|Popular-Science
He compares it to certain forms of cardiac dilatation—both expressions of myasthenia.
A System of Practical Medicine By American Authors, Vol. II|Various

British Dictionary definitions for myasthenia

myasthenia

/ (ˌmaɪəsˈθiːnɪə) /

noun

any muscular weakness

short for myasthenia gravis

Derived forms of myasthenia

myasthenic (ˌmaɪəsˈθɛnɪk), adjective

Word Origin for myasthenia

C19: from myo- + asthenia

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