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Absolute unit
/ˈæb.səˌlut ˈju.nɪt/
A unit of measurement that can be defined in terms of mass, length, and time.
📖 Definitions of "Absolute unit"
noun
- 1
A unit of measurement that can be defined in terms of mass, length, and time.
💡 Words with a Similar Meaning to "Absolute unit"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| natural unitnoun | (physics) Any of a group of related physical units defined in terms of natural constants. |
| dimensionnoun | A measure of spatial extent in a particular direction, such as height, width or breadth, or depth. |
| arbitrary unitnoun | (sciences, technology) A relative unit of measurement to show the ratio of amount of substance, intensity, or other quantities, to a predetermined reference measurement. |
| derived unitnoun | (In the SI system of units) Any unit derived from one of the seven base units of length (meter), mass (kilogram), time (second), electric current (ampere), thermodynamic temperature (kelvin), amount of substance (mole) and luminous intensity (candela). |
| angstrom unitnoun | (physics) Alternative form of angstrom. [(physics, metrology) A unit of length equal to 10⁻¹⁰ meters (that is, one ten-billionth of a meter), approximately the size of an atom, and denoted by the symbol Å, used especially to measure the wavelength of electromagnetic radiation or distances between atoms.] |
| absolute systemnoun | The system of measurements based on force, and independent of acceleration of gravity. |
| physical quantitynoun | (physics) A physical property that can be measured or calculated from other physical property and expressed as the product of a numerical value and a physical unit. |
| weight measurenoun | (sciences) A measure or unit to express an object's weight, which is directly proportional to its mass when the gravity is fixed (as commonly but imprecisely presumed on earth's surface.) |
| densitynoun | (physics) A measure of the mass of matter contained by a unit volume. |
| plancknoun | (physics) Used attributively in the names of various units, formulae etc. first devised or worked on by the German physicist Max Planck (1858–1947), chiefly in the realm of quantum theory. |
| absolute spacenoun | (physics) The Newtonian concept of an unchanging and unchangeable reference system of spatial (and temporal) coordinates that is the same for all observers |
| flux unitnoun | (astronomy) The (otherwise unnamed) unit of density of electromagnetic radiation from a radio star, equal to 10⁻²⁶ watts per square meter per hertz |
| physical constantnoun | (physics) A physical quantity that is generally believed to be both universal in nature and constant in time. |
| unified atomic mass unitnoun | (chemistry) A unit of mass equal to 1/12 the mass of an atom of the ¹²C isotope of carbon. |
| light daynoun | (astronomy, physics) A unit of length equal to the distance light travels in one day; about 170 astronomical units |
| absolute space-timenoun | (physics) The Newtonian concept of an unchanging and unchangeable reference system of time and spatial coordinates that is the same for all observers. |
| absolute timenoun | (physics) The Newtonian concept of an unchanging and unchangeable reference system of time (and spatial) coordinates that is the same for all observers. |
| energynoun | The capacity to do work. |
| planck unitnoun | (physics) Any one of several natural units in a system originally proposed by Max Planck based on universal constants. Symbols for Planck units are the symbol for the physical quantity with a subscript P. |
| lambdanoun | (physics, mathematics) Unit representation of wavelength. |
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