kappa
noun
kap·pa
| \ ˈka-pə
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Definition of kappa
: the 10th letter of the Greek alphabet — see Alphabet Table
Examples of kappa in a Sentence
Recent Examples on the Web
Researchers have identified two others, kappa (κ) and delta (δ). — Jonathon Keats, Discover Magazine, "Building a Better Painkiller," 11 May 2018 By activating only the kappa receptor, the chemical shouldn’t cause any of the side effects associated with the mu. — Jonathon Keats, Discover Magazine, "Building a Better Painkiller," 11 May 2018 These receptors come in three flavors: mu, delta and kappa. — Jon Kelvey, Smithsonian, "America’s Long-Overdue Opioid Revolution Is Finally Here," 13 Jan. 2017These example sentences are selected automatically from various online news sources to reflect current usage of the word 'kappa.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for kappa
kappa
noun
kap·pa
| \ ˈkap-ə
\
\
Medical Definition of kappa
: a cytoplasmic factor in certain paramecia that mediates production of paramecin and thereby makes the medium in which such microorganisms are grown toxic to members of strains not possessing the factor — see paramecin