💡 Words with a Similar Meaning to "Atomic mass"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| atomic mass unitnoun | (physical chemistry) A unit of mass equal to 1/12 the mass of an atom of ¹²C (carbon-12, an isotope of carbon). |
| average atomic massnoun | The weighted average of the atomic masses of the naturally occurring isotopes of an element. |
| mass numbernoun | (physics, physical chemistry) The total number of protons and neutrons in an atomic nucleus. Symbol: A |
| atomic mass numbernoun | (physics, physical chemistry, dated) Pedantic form of mass number. Symbol: A. |
| gram atomnoun | (chemistry) The amount of an element whose mass in grams is that of its atomic weight; a mole of atoms. |
| atomic weightnoun | (physics) A term used to represent the mean relative atomic mass of an element in nature, as distinct from the relative atomic mass of a single isotope. |
| daltonnoun | John Dalton, English chemist. |
| unified atomic mass unitnoun | (chemistry) A unit of mass equal to 1/12 the mass of an atom of the ¹²C isotope of carbon. |
| molecular massnoun | (chemistry) The mass of an individual molecule of an element or compound. |
| nucleon numbernoun | Synonym of mass number. |
| atomic energynoun | The energy released by an atom in a nuclear reaction. |
| mass defectnoun | (physics) the difference between the mass of an atom and the sum of the masses of its individual components in the free state; equivalent to the binding energy |
| nuclidenoun | (physics) An atomic nucleus specified by its atomic number and atomic mass. |
| atomnoun | (chemistry, physics) The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons. |
| atomic numbernoun | (physics, chemistry) The number of protons in an atom. Symbol: Z |
| proton numbernoun | The number of protons in an atom. |
| massnoun | (physical) Matter, material. |
| atomic theorynoun | (physics) The theory that all gross matter is composed of atoms. |
| atomusnoun | (obsolete) Synonym of atom. |
| weightnoun | The downwards force an object experiences due to gravity. |
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