| alphanumerics | (noun) a character set that includes letters and digits and punctuation | Synonyms: alphanumeric characters |
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| atmospherics | (noun) a crackling or hissing noise caused by electrical interference | Synonyms: atmospheric static, static |
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| biometrics | (noun) a branch of biology that studies biological phenomena and observations by means of statistical analysis | Synonyms: biometry, biostatistics |
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| catoptrics | (noun) branch of optics dealing with formation of images by mirrors | - |
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| econometrics | (noun) the application of mathematics and statistics to the study of economic and financial data | - |
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| enterics | (noun) rod-shaped Gram-negative bacteria; most occur normally or pathogenically in intestines of humans and other animals | Synonyms: enteric bacteria, enterobacteria, entric |
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| geriatrics | (noun) the branch of medical science that deals with diseases and problems specific to old people | Synonyms: gerontology |
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| hysterics | (noun) an attack of hysteria | - |
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| isometrics | (noun) muscle-building exercises (or a system of musclebuilding exercises) involving muscular contractions against resistance without movement (the muscles contracts but the length of the muscle does not change) | Synonyms: isometric exercise |
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| metrics | (noun) the study of poetic meter and the art of versification | Synonyms: prosody |
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| obstetrics | (noun) the branch of medicine dealing with childbirth and care of the mother | Synonyms: midwifery, OB, tocology |
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| paediatrics | (noun) the branch of medicine concerned with the treatment of infants and children | Synonyms: pediatric medicine, pediatrics, pedology |
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| pediatrics | (noun) the branch of medicine concerned with the treatment of infants and children | Synonyms: paediatrics, pediatric medicine, pedology |
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| physiatrics | (noun) therapy that uses physical agents: exercise and massage and other modalities | Synonyms: physical therapy, physiotherapy |
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| psychometrics | (noun) any branch of psychology concerned with psychological measurements | Synonyms: psychometrika, psychometry |
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