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Jul 3, 2017 · Look up definitions of chemistry words in this comprehensive A to Z chemistry dictionary. The glossary is organized alphabetically.
stands for Enantiomeric Ratio (chemistry) Suggest new definition. This definition appears somewhat frequently and is found in the following Acronym Finder categories: Science, medicine, engineering, etc. See other definitions of ER.
Chemistry is a physical science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions; it features an extensive vocabulary and a significant amount of jargon.
ER in Chemistry commonly refers to the Endoplasmic Reticulum, an essential cellular organelle involved in the synthesis of proteins and lipids, playing a critical role in the cell's functionality and metabolism. Explore categories such as Cell Biology and Biochemistry for more information.
- Absolute Zero to Amine
- Base to Crystal
- Delocalization to Exothermic
- Family to Mole
- Node to RMS Velocity
- Salt to Triple Point
- Unit Cell to VSEPR
absolute zero- Absolute zero is 0K. It is the lowest possible temperature. Theoretically, at absolute zero, atoms stop moving. accuracy- Accuracy is a measure of how close a measured value is to its true value. For example, if an object is exactly a meter long and you measure it as 1.1 meters long, that is more accurate than if you measured it at 1...
base - A base is a compound that produces OH- ions or electrons in water or accepts protons. An example of a common base is sodium hydroxide, NaOH. beta particle - A beta particle is an electron, although the term is used when the electron is emitted in radioactive decay. binary compound - A binary compound is one made up of two elements. binding e...
delocalization- Delocalization is when electrons become free to move all over a molecule, such as when double bonds occur on adjacent atoms in a molecule. denature - There are two common meanings for this in chemistry. First, it can refer to any process used to make ethanol unfit for consumption (denatured alcohol). Second, denaturing can mean brea...
family - A family is a group of elements sharing similar properties. It is not necessarily the same thing as an element group. For example, the chalcogens or oxygen family consists of different elements from the nonmetal group. Kelvin - Kelvin is a unit of temperature. A Kelvin is equal in size to a degree Celsius, although Kelvin starts from absol...
node- A node is a location in an orbital with no probability of containing an electron. nucleon- A nucleon is a particle in the nucleus of an atom (proton or neutron). oxidation number The oxidation numberis the apparent charge on an atom. For example, the oxidation number of an oxygen atom is -2. period- A period is a row (left to right) of the pe...
salt- An ionic compound formed from reacting an acid and a base. solute - The solute is the substance that gets dissolved in a solvent. Usually, it refers to a solid that is dissolved in a liquid. If you are mixing two liquids, the solute is the one that is present in a smaller amount. solvent - This is the liquid that dissolves a solute in solutio...
unit cell- A unit cell is the simplest repeating structure of a crystal. unsaturated - There are two common meanings for unsaturated in chemistry. The first refers to a chemical solution that does not contain all the solute that can be dissolved. Unsaturated also refers to an organic compound with one or more double or triple carbon-carbon bonds. u...
- Anne Marie Helmenstine, Ph.D.
Oct 18, 2024 · endoplasmic reticulum (ER), in biology, a continuous membrane system that forms a series of flattened sacs within the cytoplasm of eukaryotic cells and serves multiple functions, being important particularly in the synthesis, folding, modification, and transport of proteins.
Oct 25, 2024 · The sixth edition of this popular dictionary covers all aspects of chemistry, from physical chemistry to biochemistry. Fully revised and updated, it boasts broader coverage in subject areas such as forensics, metallurgy, materials science, and geology, increasing the dictionary’s appeal to students in these related fields.
