| glossy | (noun) a photograph that is printed on smooth shiny paper | - |
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| (noun) a magazine printed on good quality paper | Synonyms: slick, slick magazine |
| glottis | (noun) the vocal apparatus of the larynx; the true vocal folds and the space between them where the voice tone is generated | - |
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| glottochronology | (noun) the determination of how long ago different languages evolved from a common source language | - |
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| glove | (noun) handwear: covers the hand and wrist | - |
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| (noun) the handwear used by fielders in playing baseball | Synonyms: baseball glove, baseball mitt, mitt |
| (noun) boxing equipment consisting of big and padded coverings for the fists of the fighters; worn for the sport of boxing | Synonyms: boxing glove |
| glow | (noun) light from nonthermal sources | Synonyms: luminescence |
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| (noun) an appearance of reflected light | Synonyms: gleam, gleaming, lambency |
| (noun) a feeling of considerable warmth | - |
| (noun) the phenomenon of light emission by a body as its temperature is raised | Synonyms: incandescence |
| (noun) the amount of electromagnetic radiation leaving or arriving at a point on a surface | Synonyms: glowing, radiance |
| (noun) a steady even light without flames | - |
| (noun) an alert and refreshed state | Synonyms: freshness |
| glower | (noun) an angry stare | Synonyms: glare |
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| glowing | (noun) the amount of electromagnetic radiation leaving or arriving at a point on a surface | Synonyms: glow, radiance |
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| glowworm | (noun) the luminous larva or wingless grub-like female of a firefly | - |
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| gloxinia | (noun) any of several plants of the genera Gloxinia or Sinningia (greenhouse gloxinias) having showy bell-shaped flowers | - |
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| glucagon | (noun) a hormone secreted by the pancreas; stimulates increases in blood sugar levels in the blood (thus opposing the action of insulin) | - |
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| glucinium | (noun) a light strong brittle grey toxic bivalent metallic element | Synonyms: atomic number 4, Be, beryllium |
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| glucocorticoid | (noun) a steroid hormone that is produced by the adrenal cortex of animals; affects functioning of gonads and has anti-inflammatory activity | - |
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| glucosamine | (noun) an amino derivative of glucose that is a component of many polysaccharides | - |
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| glucose | (noun) a monosaccharide sugar that has several forms; an important source of physiological energy | - |
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| glucoside | (noun) a glycoside derived from glucose | - |
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| glucosuria | (noun) the presence of abnormally high levels of glucose in the urine | - |
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| glue | (noun) cement consisting of a sticky substance that is used as an adhesive | Synonyms: gum, mucilage |
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| glueyness | (noun) the property of being cohesive and sticky | Synonyms: cohesiveness, gluiness, gumminess, ropiness, tackiness, viscidity, viscidness |
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| gluiness | (noun) the property of being cohesive and sticky | Synonyms: cohesiveness, glueyness, gumminess, ropiness, tackiness, viscidity, viscidness |
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| glume | (noun) small dry membranous bract found in inflorescences of Gramineae and Cyperaceae | - |
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| glumness | (noun) a gloomy ill-tempered feeling | Synonyms: moroseness, sullenness |
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| (noun) an atmosphere of depression and melancholy | Synonyms: gloom, gloominess |
| gluon | (noun) a gauge boson that mediates strong interaction among quarks | - |
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| glut | (noun) the quality of being so overabundant that prices fall | Synonyms: oversupply, surfeit |
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| glutamate | (noun) a salt or ester of glutamic acid | - |
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| glutamine | (noun) a crystalline amino acid occurring in proteins; important in protein metabolism | - |
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| glute | (noun) any one of three large skeletal muscles that form the buttock and move the thigh | Synonyms: gluteal muscle, gluteus, gluteus muscle |
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| glutelin | (noun) a simple protein found in the seeds of cereals | - |
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| gluten | (noun) a protein substance that remains when starch is removed from cereal grains; gives cohesiveness to dough | - |
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| glutethimide | (noun) sedative (trade name Doriden) used to treat some sleep disorders | Synonyms: Doriden |
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| gluteus | (noun) any one of three large skeletal muscles that form the buttock and move the thigh | Synonyms: glute, gluteal muscle, gluteus muscle |
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| glutinosity | (noun) the property of having a viscosity like jelly | Synonyms: gelatinousness, glutinousness |
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| glutinousness | (noun) the property of having a viscosity like jelly | Synonyms: gelatinousness, glutinosity |
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| glutton | (noun) musteline mammal of northern Eurasia | Synonyms: Gulo gulo, wolverine |
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| (noun) a person who is devoted to eating and drinking to excess | Synonyms: gourmand, gourmandizer, trencherman |
| gluttony | (noun) eating to excess (personified as one of the deadly sins) | Synonyms: gula, overeating |
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| (noun) habitual eating to excess | - |
| glyburide | (noun) an oral antidiabetic drug (trade names DiaBeta and Micronase) that stimulates the release of insulin from the pancreas | Synonyms: DiaBeta, Micronase |
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| glyceraldehyde | (noun) a sweet crystalline aldehyde formed by the breakdown of sugars | Synonyms: glyceric aldehyde |
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| glyceride | (noun) an ester of glycerol and fatty acids that occurs naturally as fats and fatty oils | Synonyms: acylglycerol |
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| glycerin | (noun) a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils | Synonyms: glycerine, glycerol |
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| glycerine | (noun) a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils | Synonyms: glycerin, glycerol |
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| glycerite | (noun) a medicine made by mixing a substance in glycerin | Synonyms: glycerole |
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| glycerogel | (noun) a medicated skin preparation made from glycerin and glycerinated gelatin | Synonyms: glycerogelatin |
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| glycerogelatin | (noun) a medicated skin preparation made from glycerin and glycerinated gelatin | Synonyms: glycerogel |
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| glycerol | (noun) a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils | Synonyms: glycerin, glycerine |
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| glycerole | (noun) a medicine made by mixing a substance in glycerin | Synonyms: glycerite |
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| glyceryl | (noun) a trivalent radical derived from glycerol by removing the three hydroxyl radicals | - |
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| glycine | (noun) the simplest amino acid found in proteins and the principal amino acid in sugar cane | - |
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| glycogen | (noun) one form in which body fuel is stored; stored primarily in the liver and broken down into glucose when needed by the body | Synonyms: animal starch |
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| glycogenesis | (noun) the conversion of glucose to glycogen when the glucose in the blood exceeds the demand | - |
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| (noun) the formation in animals of glycogen from glucose | - |
| glycol | (noun) any of a class of alcohols having 2 hydroxyl groups in each molecule | Synonyms: dihydric alcohol, diol |
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| (noun) a sweet but poisonous syrupy liquid used as an antifreeze and solvent | Synonyms: ethanediol, ethylene glycol |
| glycolysis | (noun) a metabolic process that breaks down carbohydrates and sugars through a series of reactions to either pyruvic acid or lactic acid and releases energy for the body in the form of ATP | - |
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| glycoprotein | (noun) a conjugated protein having a carbohydrate component | - |
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| glycoside | (noun) a group of compounds derived from monosaccharides | - |
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| glycosuria | (noun) the presence of abnormally high levels of sugar in the urine | - |
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| glyoxaline | (noun) an organic base C3H4N2; a histamine inhibitor | Synonyms: imidazole, iminazole |
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| glyph | (noun) glyptic art in the form of a symbolic figure carved or incised in relief | - |
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| glyptics | (noun) the art of engraving on precious stones | Synonyms: lithoglyptics |
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| glyptography | (noun) carving or engraving (especially on stones) | - |
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| (noun) carvings or engravings (especially on precious stones) | Synonyms: glyptic art |
| goggles | (noun) (plural) tight-fitting spectacles worn to protect the eyes | - |
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| googly | (noun) a cricket ball bowled as if to break one way that actually breaks in the opposite way | Synonyms: bosie, bosie ball, wrong 'un |
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| gurgle | (noun) the bubbling sound of water flowing from a bottle with a narrow neck | - |
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| haemagglutination | (noun) agglutination of red blood cells | Synonyms: hemagglutination |
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| haemoglobin | (noun) a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues | Synonyms: Hb, hemoglobin |
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| haemoglobinemia | (noun) presence of excessive hemoglobin in the blood plasma | Synonyms: hemoglobinemia |
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| haemoglobinopathy | (noun) a blood disease characterized by the presence of abnormal hemoglobins in the blood | Synonyms: hemoglobinopathy |
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| haemoglobinuria | (noun) presence of hemoglobin in the urine | Synonyms: hemoglobinuria |
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| haggle | (noun) an instance of intense argument (as in bargaining) | Synonyms: haggling, wrangle, wrangling |
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| haggler | (noun) an intense bargainer | - |
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| haggling | (noun) an instance of intense argument (as in bargaining) | Synonyms: haggle, wrangle, wrangling |
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| haptoglobin | (noun) a protein in plasma that binds free hemoglobin and removes it (as from wounds) | - |
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| hemagglutination | (noun) agglutination of red blood cells | Synonyms: haemagglutination |
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| hemoglobin | (noun) a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues | Synonyms: haemoglobin, Hb |
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| hemoglobinemia | (noun) presence of excessive hemoglobin in the blood plasma | Synonyms: haemoglobinemia |
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| hemoglobinopathy | (noun) a blood disease characterized by the presence of abnormal hemoglobins in the blood | Synonyms: haemoglobinopathy |
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| hemoglobinuria | (noun) presence of hemoglobin in the urine | Synonyms: haemoglobinuria |
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| heterogloss | (noun) the locative boundary of a certain linguistic feature, such as the pronunciation of a vowel, the meaning of a word, or use of some syntactic feature. | Synonyms: isogloss |
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| hieroglyph | (noun) a writing system using picture symbols; used in ancient Egypt | Synonyms: hieroglyphic |
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| (noun) writing that resembles hieroglyphics (usually by being illegible) | Synonyms: hieroglyphic |
| hieroglyphic | (noun) a writing system using picture symbols; used in ancient Egypt | Synonyms: hieroglyph |
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| (noun) writing that resembles hieroglyphics (usually by being illegible) | Synonyms: hieroglyph |
| hourglass | (noun) a sandglass that runs for sixty minutes | - |
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| hyperglycaemia | (noun) abnormally high blood sugar usually associated with diabetes | Synonyms: hyperglycemia |
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| hyperglycemia | (noun) abnormally high blood sugar usually associated with diabetes | Synonyms: hyperglycaemia |
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| hypogammaglobulinemia | (noun) an abnormally low concentration of gamma globulin in the blood and increased risk of infection | - |
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| hypoglossal | (noun) supplies intrinsic muscles of the tongue and other tongue muscles | Synonyms: hypoglossal nerve, nervus hypoglosus, twelfth cranial nerve |
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| hypoglycaemia | (noun) abnormally low blood sugar usually resulting from excessive insulin or a poor diet | Synonyms: hypoglycemia |
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| hypoglycemia | (noun) abnormally low blood sugar usually resulting from excessive insulin or a poor diet | Synonyms: hypoglycaemia |
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| igloo | (noun) an Eskimo hut; usually built of blocks (of sod or snow) in the shape of a dome | Synonyms: iglu |
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| iglu | (noun) an Eskimo hut; usually built of blocks (of sod or snow) in the shape of a dome | Synonyms: igloo |
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| imbroglio | (noun) a very embarrassing misunderstanding | - |
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| (noun) an intricate and confusing interpersonal or political situation | Synonyms: embroilment |
| immunoglobulin | (noun) a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response | Synonyms: Ig, immune gamma globulin, immune globulin, immune serum globulin |
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| inglenook | (noun) a corner by a fireplace | Synonyms: chimney corner |
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| intaglio | (noun) glyptic art consisting of a sunken or depressed engraving or carving on a stone or gem (as opposed to cameo) | Synonyms: diaglyph |
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| (noun) a printing process that uses an etched or engraved plate; the plate is smeared with ink and wiped clean, then the ink left in the recesses makes the print | Synonyms: gravure, intaglio printing |
| isinglass | (noun) any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity | Synonyms: mica |
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| isoagglutination | (noun) agglutination of an agglutinogen of one individual by a serum from another individual of the same species | - |
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| isoagglutinin | (noun) an antibody produced by one individual that causes agglutination of red blood cells in other individuals of the same species | - |
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| isoagglutinogen | (noun) an antigen capable of causing the production of (or reacting with) an isoagglutinin | - |
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| isogloss | (noun) the locative boundary of a certain linguistic feature, such as the pronunciation of a vowel, the meaning of a word, or use of some syntactic feature. | Synonyms: heterogloss |
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| jangle | (noun) a metallic sound | Synonyms: jingle |
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| jiggle | (noun) a slight irregular shaking motion | Synonyms: joggle |
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| jingle | (noun) a comic verse of irregular measure | Synonyms: doggerel, doggerel verse |
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| (noun) a metallic sound | Synonyms: jangle |
| joggle | (noun) a slight irregular shaking motion | Synonyms: jiggle |
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| (noun) a fastener that is inserted into holes in two adjacent pieces and holds them together | Synonyms: dowel, dowel pin |
| jongleur | (noun) a singer of folk songs | Synonyms: folk singer, minstrel, poet-singer, troubadour |
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