💡 Words with a Similar Meaning to "Atomic number 2"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| henoun | (informal) A male. |
| heliumnoun | (uncountable) The second-lightest chemical element (symbol He), with an atomic number of 2 and atomic weight of 4.002602, a colorless, odorless and inert noble gas. |
| number twonoun | A primary assistant; vice-leader. |
| atomic massnoun | The mass of an atom. |
| 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. |
| atomic theorynoun | (physics) The theory that all gross matter is composed of atoms. |
| atomic energynoun | The energy released by an atom in a nuclear reaction. |
| atomic powernoun | Synonym of nuclear power, normally sense 1. |
| nuclear fissionnoun | (nuclear physics) A nuclear reaction in which a large nucleus splits into smaller ones, sometimes accompanied by the simultaneous release of energy. |
| binary fissionnoun | (biology) The process whereby a cell divides asexually to produce two daughter cells. |
| atomic bombnoun | (uncountable, colloquial, with the) The possession of one or more atomic bombs; the ability to launch a nuclear attack. |
| nuclear reactionnoun | A process such as the fission of an atomic nucleus, or the fusion of one or more atomic nuclei and/or subatomic particles in which the number of protons and/or neutrons in a nucleus changes; the reaction products may contain a different element or a different isotope of the same element. |
| atomic explosionnoun | the explosion of an atomic bomb |
| atom bombnoun | Synonym of atomic bomb. |
| atomic warheadnoun | the warhead of a missile designed to deliver an atom bomb |
| chemical elementnoun | (chemistry) A chemical substance made entirely of one such type of atom; any one of the simplest chemical substances that cannot be decomposed in a chemical reaction or by any chemical means and made up of atoms all having the same number of protons. |
| binary systemnoun | (mathematics, computing) A numeric system with a base of 2, using only the numerals 0 and 1. |
| atomic clocknoun | An extremely accurate reference clock whose operation is based on an atomic process, typically the frequency of electromagnetic radiation associated with a specified energy-level transition in an element such as cesium. |
| nuclear reactornoun | (physics) Any device in which a controlled chain reaction is maintained for the purpose of creating heat (for power generation) or for creating neutrons and other fission products for experimental, medical or other purposes. |
| diatomic | (chemistry, of a molecule etc.) Consisting of two atoms. |
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