numerically equal

  • 81positron — [ pɒzɪtrɒn] noun Physics a subatomic particle with the same mass as an electron and a numerically equal but positive charge. Origin 1930s: from positive + tron …

    English new terms dictionary

  • 82gram atom — gram′ at om n. chem. the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element. Also called gram′ atom′ic weight′ …

    From formal English to slang

  • 83molecule — mol•e•cule [[t]ˈmɒl əˌkyul[/t]] n. 1) chem. phs the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound 2) chem. a quantity of a substance, the weight… …

    From formal English to slang

  • 84octane number — oc′tane num ber n. chem. a designation of antiknock quality of gasoline, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics. Also… …

    From formal English to slang

  • 85gram atom — /ˈgræm ætəm/ (say gram atuhm) noun Chemistry Obsolete that quantity of an element whose weight in grams is numerically equal to the atomic weight of the element; now replaced by the mole. Also, gram atomic weight …

  • 86gram molecule — /græm ˈmɒləkjul/ (say gram moluhkyoohl) noun Chemistry Obsolete that quantity of a substance whose weight in grams is numerically equal to the number which expresses the molecular weight of the substance; now replaced by the mole. Also, gram… …

  • 87molecule — /ˈmɒləkjul / (say moluhkyoohl) noun 1. Chemistry, Physics the smallest particle of a substance capable of independent existence. 2. a quantity of a substance, the weight of which, measured in any chosen unit, is numerically equal to the molecular …

  • 88octane number — /ˈɒkteɪn nʌmbə/ (say oktayn numbuh) noun (of a grade of petrol) a designation of antiknock quality, numerically equal to the percentage of iso octane by volume in a mixture of iso octane and normal heptane that matches the given grade of petrol… …

  • 89reluctance — /rəˈlʌktəns/ (say ruh luktuhns) noun 1. unwillingness; disinclination: reluctance to speak. 2. Electricity the resistance offered to the passage of magnetic lines of force, being numerically equal to the magnetomotive force divided by the… …

  • 90atomic —   a. of atoms.    ♦ atom bomb,    ♦ atomic bomb, bomb of which the immense destructive power is due to sudden release of energy by nuclear fission.    ♦ atomic number, number representing the magnitude of the positive charge on the nucleus of an… …

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