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English Words Starting With K

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Noun Verb Adjective Adverb Plural noun Verb (transitive)Verb (intransitive)Verb (ambitransitive)

keto-enol tautomerism
nounC2
/ˌkiːtəʊ ˈiːnɒl tɔːˈtɒmərɪzəm/A chemical equilibrium between a ketone (or aldehyde) form (keto) and an enol form (alkene + alcohol) of a molecule, involving the migration of a hydrogen atom and rearrangement of double bonds.
ketoacidosis
nounLow
/ˌkiːtəʊˌæsɪˈdəʊsɪs/A serious and potentially life-threatening complication of diabetes, where the body produces high levels of ketone acids in the blood due to a severe insulin deficiency.
ketoconazole
nounLow
/ˌkiːtəʊˈkɒnəzəʊl/A synthetic antifungal medication used to treat fungal infections.
ketogenesis
nounLow
/ˌkiːtəʊˈdʒɛnɪsɪs/The biological production of ketone bodies (like acetoacetate and beta-hydroxybutyrate) in the liver from fatty acids, typically when carbohydrate availability is low.
ketogenic diet
nounC1/C2 (Specialised vocabulary common in health/medical contexts)
/ˌkiːtəʊˈdʒɛnɪk ˈdaɪət/A high-fat, adequate-protein, low-carbohydrate diet that forces the body to burn fats rather than carbohydrates by putting it into a metabolic state called ketosis.
ketohexose
nounC2
/ˌkiːtəʊˈhɛksəʊz/A six-carbon monosaccharide sugar containing a ketone functional group.
ketolysis
nounC1/C2 (Very Low Frequency)
/kɪˈtɒlɪsɪs/The metabolic breakdown of ketone bodies.
ketonaemia
nounC2
/ˌkiːtəʊˈniːmɪə/An abnormally high level of ketone bodies in the blood.
ketone
adjectivenounLow (Technical)
/ˈkiː.təʊn/A type of organic chemical compound containing a carbonyl group (C=O) bonded to two carbon atoms, often produced when the body breaks down fat for energy.
ketone body
nounC2
/ˈkiːtəʊn ˌbɒdi/A water-soluble molecule (acetoacetate, beta-hydroxybutyrate, or acetone) produced by the liver from fatty acids during states of low glucose availability, such as fasting or starvation, and used as an alternative energy source by tissues like the brain.
ketone group
nounC2
/ˈkiːtəʊn ɡruːp/A specific chemical functional group (C=O) where a carbon atom is double-bonded to an oxygen atom and also bonded to two other carbon atoms.
ketonemia
nounVery Low
/ˌkiːtəʊˈniːmɪə/The presence of an abnormally high concentration of ketone bodies in the blood.
ketonuria
nounVery Low / Technical
/ˌkiːtəʊˈnjʊərɪə/The presence of ketone bodies in the urine.
ketose
nounC2
/ˈkiːtəʊz/A monosaccharide sugar containing a ketone group.
ketosis
nounLow
/kiːˈtəʊsɪs/A metabolic state in which the body burns fat for fuel instead of carbohydrates, producing ketones.
ketosteroid
nounC2
/ˈkiːtəʊˌstɪərɔɪd/A steroid hormone containing a ketone group in its molecular structure.
ketoxime
nounExtremely Low
/ˌkiːtəʊkˈsiːm/An organic compound formed by the reaction of a ketone with hydroxylamine.
kettering
nounLow (proper noun)
/ˈkɛtərɪŋ/A proper noun, primarily a place name referring to towns in England and the United States, as well as a surname.
kettle
nounverbverb-transitiveB1
/ˈket(ə)l/A covered metal or plastic container with a handle and a spout, used for boiling water.
kettle base
nounC1
/ˈket.l̩ ˌbeɪs/The bottom part or stand of an electric kettle, typically containing the heating element and electrical connector.

Showing 901–920 of 2547 words.