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English Words Starting With G

5,448 entries — pick a word to see its definition, pronunciation, and usage.

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

glycine
nounC2
/ˈɡlaɪsiːn/The simplest amino acid, a colorless crystalline compound that is a building block of proteins.
glycogen
nounC1
/ˈɡlaɪkə(ʊ)dʒən/A substance produced from carbohydrates that is stored primarily in the liver and muscles and is used by the body as an energy reserve.
glycogen storage disease
nounC2
/ˈɡlaɪ.kəʊ.dʒən ˈstɔː.rɪdʒ dɪˌziːz/A group of inherited metabolic disorders where glycogen accumulates abnormally in tissues.
glycogenesis
nounC2
/ˌɡlaɪ.kəʊˈdʒɛn.ɪ.sɪs/The biochemical process by which glucose is converted into glycogen for storage in the liver and muscles.
glycogenic acid
nounVery Low
/ˌɡlaɪ.kəʊˌdʒɛn.ɪk ˈæs.ɪd/A non-standard, deprecated historical term sometimes used to refer to glucuronic acid, which is involved in the conjugation and detoxification of substances in the liver.
glycol
nounC1-C2 / Low-Frequency / Technical
/ˈɡlaɪkɒl/A colourless, sweet-tasting, viscous liquid that is chemically an alcohol with two hydroxyl groups, primarily referring to ethylene glycol or propylene glycol.
glycolate
nounC1
/ˈɡlaɪkəleɪt/A salt or ester of glycolic acid.
glycolic acid
nounC2
/ɡlaɪˌkɒlɪk ˈæsɪd/A colorless, odorless alpha-hydroxy acid (AHA) derived from sugar cane, primarily used in skincare for its exfoliating properties.
glycolipid
nounVery Low
/ˌɡlaɪ.kəʊˈlɪp.ɪd/A lipid (fat) molecule attached to a carbohydrate (sugar) chain, found in cell membranes.
glycolysis
nounLow
/ɡlaɪˈkɒlɪsɪs/The metabolic process in cells that breaks down glucose into smaller molecules, releasing a small amount of energy.
glyconeogenesis
nounVery Low
/ˌɡlaɪkəʊniːə(ʊ)ˈdʒɛnɪsɪs/The biochemical process of synthesizing glucose from non-carbohydrate precursors.
glyconic acid
nounLow (Specialist Scientific Vocabulary)
/ˌɡlaɪˈkɒnɪk ˈæsɪd/A carbohydrate component of a glycoside.
glycophyte
nounRare
/ˈɡlaɪ.kəʊ.faɪt/A plant that thrives in non-saline or low-salt soil conditions.
glycoprotein
nounC2
/ˌɡlaɪkəʊˈprəʊtiːn/A protein with attached carbohydrate (sugar) groups.
glycosaminoglycan
nounVery Low
/ˌɡlaɪkəʊsəˌmiːnəʊˈɡlaɪkən/A long, unbranched polysaccharide chain composed of repeating disaccharide units, found in connective tissues.
glycose
nounC2
/ˈɡlaɪkəʊs/A less common synonym for glucose, a simple sugar and a primary source of energy for living organisms.
glycoside
nounC2/Technical
/ˈɡlaɪ.kə.saɪd/A compound in which a sugar molecule is bound to another functional group via a glycosidic bond.
glycosuria
nounLow
/ˌɡlaɪ.kə(ʊ)ˈsjʊə.ri.ə/The presence of glucose or sugar in the urine, which is normally absent.
glycosylation
nounLow (C2)
/ˌɡlaɪ.kəʊ.saɪˈleɪ.ʃən/The process in which a carbohydrate (glycan) is chemically attached to a protein, lipid, or other organic molecule.
glycuronic acid
nounVery low / Highly specialized
/ˌɡlaɪkjʊˈrɒnɪk ˈæsɪd/An organic acid derived from glucose, specifically a uronic acid, which is a component of certain polysaccharides like pectin and gums.

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