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- Dictionaryunit/ˈjuːnɪt/
noun
- 1. an individual thing or person regarded as single and complete but which can also form an individual component of a larger or more complex whole: "large areas of land made up of smaller units" Similar
- 2. a device that has a specified function, especially one forming part of a complex mechanism: "the gearbox and transmission unit"
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3 days ago · Atom, smallest unit into which matter can be divided without the release of electrically charged particles. It also is the smallest unit of matter that has the characteristic properties of a chemical element. As such, the atom is the basic building block of chemistry.
- Atomic Bonds
Atom - Electrons, Nucleus, Bonds: Once the way atoms are put...
- The Laws of Quantum Mechanics
Atom - Quantum Mechanics, Subatomic Particles, Electrons:...
- Rutherford's Nuclear Model
Atom - Nuclear Model, Rutherford, Particles: Rutherford...
- Bohr's Shell Model
Atom - Bohr's Shell Model: In 1913 Bohr proposed his...
- Discovery of Radioactivity
Atom - Radioactivity, Particles, Discovery: Like Thomson’s...
- Conductors and Insulators
Atom - Conductors, Insulators, Properties: The way that...
- Nuclear Shell Model
Atom - Nuclear Shell, Structure, Model: Many models describe...
- Discovery of Electrons
Atom - Electrons, Protons, Neutrons: During the 1880s and...
- Atomic Bonds
3 days ago · cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell is often a complete organism in itself, such as a bacterium or yeast.
- A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of...
- Cell theory states that the cell is the fundamental structural and functional unit of living matter. In 1839 German physiologist Theodor Schwann an...
- The cell membrane surrounds every living cell and delimits the cell from the surrounding environment. It serves as a barrier to keep the contents o...
4 days ago · Heat capacity, ratio of heat absorbed by a material to the temperature change. It is usually expressed as calories per degree in terms of the actual amount of material being considered, most commonly a mole (the molecular weight in grams).
- The Editors of Encyclopaedia Britannica
5 days ago · In Physics, force can be defined as the push or pull of an object with mass that causes it to change its velocity. Force also has a magnitude and a direction. The SI unit for force is Newton.
3 days ago · Electrical resistivity (also called volume resistivity or specific electrical resistance) is a fundamental specific property of a material that measures its electrical resistance or how strongly it resists electric current. A low resistivity indicates a material that readily allows electric current.
3 days ago · noun. a unit for measuring time periods. synonyms: time unit. see more. date of the Allied landing in France, World War II. 24-hour interval, day, mean solar day, solar day, twenty-four hour period, twenty-four hours. time for Earth to make a complete rotation on its axis. night.
5 days ago · Among the most important concepts that newcomers to AutoCAD need to get to grips with are those of drawing scale and drawing units. You cannot start creating sensible drawings with AutoCAD until you are familiar with scale, units and the commands you use to control them. This tutorial discusses these concepts, starting with the two most ...
