Chemistry Glossary

Welcome to the comprehensive chemistry glossary. Browse thousands of terms organized alphabetically for detailed definitions and explanations.

This glossary contains 12481 chemistry terms across the following categories:

Acids and Bases (35 terms)
- Acid base indicator theory
- Acid base reaction mechanism
- Acid dissociation constant Ka
- Acid strength periodic trend
- Base dissociation constant Kb
Alcohols (30 terms)
- Butanol oxidation
- Butanol preparation
- Butanol properties
- Butanol reactions
- Butanol structure
Aldehydes (15 terms)
- Acetaldehyde compound
- Acetaldehyde preparation
- Acetaldehyde reactions
- Butyraldehyde compound
- Butyraldehyde preparation
Alloys (39 terms)
- Alnico aluminum nickel cobalt
- Amalgam mercury alloy dental
- Brass copper zinc
- Bronze copper tin
- Cast iron
Amines (15 terms)
- Butylamine basicity
- Butylamine reactions
- Butylamine structure
- Ethylamine basicity
- Ethylamine reactions
Amino Acids (110 terms)
- Alanine Ala A
- Alanine Ala A biosynthesis
- Alanine Ala A metabolism
- Alanine Ala A properties
- Alanine Ala A structure
Analytical Chemistry (91 terms)
- Amperometric titration
- Anodic stripping voltammetry
- Atomic force microscopy imaging
- Capillary electrophoresis
- Capillary isoelectric focusing
Biochemistry (42 terms)
- Aerobic respiration
- Anaerobic fermentation
- Apoptosis signaling
- Biosynthesis of amino acids
- Biosynthesis of fatty acids
Carbonates (73 terms)
- Actinium carbonate
- Aluminum carbonate
- Americium carbonate
- Barium carbonate
- Berkelium carbonate
Carboxylic Acids (24 terms)
- Acetic acid derivatives
- Acetic acid esterification
- Acetic acid properties
- Acetic acid structure
- Butyric acid derivatives
Chemical Colors and Dyes (46 terms)
- Alizarin yellow indicator
- Anthraquinone dye
- Azo dye synthesis
- Bromothymol blue indicator
- Cadmium red pigment
Chemical Concepts (1569 terms)
- Bicyclo analog in chemistry
- Bicyclo analysis in chemistry
- Bicyclo anion in chemistry
- Bicyclo bond in chemistry
- Bicyclo byproduct in chemistry
Chemical Formulas (45 terms)
- Boat formula type
- Boat notation in chemistry
- Boat representation
- Chair formula type
- Chair notation in chemistry
Chemical Laws and Rules (83 terms)
- Arrhenius equation
- Aufbau principle
- Avogadro law
- BET isotherm
- Baldwin rules cyclization
Chlorides (390 terms)
- Actinium chloride
- Actinium dichloride
- Actinium tetrachloride
- Actinium trichloride
- Actinium(II) chloride
Computational Chemistry (50 terms)
- ADMET prediction
- Ab initio quantum chemistry
- Atoms in molecules AIM theory
- Basis set 6-31G
- Basis set STO-3G
Coordination Chemistry (99 terms)
- Ambidentate ligand
- Back bonding metal ligand
- Bailar twist rearrangement
- Charge transfer complex
- Chelate effect stability
Elements (4508 terms)
- Actinium
- Actinium (Ac)
- Actinium CAS registry number
- Actinium Earth crust abundance
- Actinium Mohs hardness
Environmental Chemistry (64 terms)
- Acid mine drainage
- Acid rain formation
- Aerosol particle chemistry
- Air pollution particulate matter
- Anaerobic digestion of waste
Enzymes (207 terms)
- ATP synthase
- ATP synthase catalytic mechanism
- ATP synthase structure
- Alcohol dehydrogenase
- Alcohol dehydrogenase catalytic mechanism
Ethers (10 terms)
- Dibutyl ether properties
- Dibutyl ether structure
- Diethyl ether properties
- Diethyl ether structure
- Dimethyl ether properties
Food Chemistry (57 terms)
- Acetic acid vinegar
- Agar agar gelling agent
- Alginic acid thickener
- Ammonium bicarbonate leavening
- Annatto natural color food
Functional Groups (65 terms)
- Acetal R-CH(OR)2
- Acetyl group -COCH3
- Aldehyde group -CHO
- Allyl group -CH2CH=CH2
- Amide group -CONH2
Gases (21 terms)
- Ammonia NH3
- Argon gas Ar
- Carbon dioxide CO2
- Carbon monoxide CO
- Chlorine gas Cl2
General Chemistry (828 terms)
- Absorption spectroscopy theory
- Acid catalyzed reaction
- Activated carbon adsorption
- Activation energy barrier
- Active site enzyme binding
Hormones (31 terms)
- ACTH adrenocorticotropic
- Aldosterone mineralocorticoid
- Calcitonin thyroid
- Cortisol glucocorticoid
- Cortisone glucocorticoid
Hydrocarbons (46 terms)
- Butane alkane
- Butane combustion
- Butane properties
- Butane structure
- Butene alkene
Hydroxides (12 terms)
- Barium hydroxide
- Beryllium hydroxide
- Calcium hydroxide
- Cesium hydroxide
- Francium hydroxide
Industrial Processes (86 terms)
- 3D printing additive manufacturing
- Alkylation petroleum refining
- Aluminum smelting Hall-Heroult
- Ammonia synthesis Haber
- Anaerobic digestion biogas
Ions (35 terms)
- Acetate ion CH3COO-
- Amide ion NH2-
- Ammonium ion NH4+
- Azide ion N3-
- Bicarbonate ion HCO3-
Isotopes (100 terms)
- Aluminum common isotopes
- Aluminum isotopic composition
- Argon common isotopes
- Argon isotopic composition
- Arsenic common isotopes
Ketones (10 terms)
- Acetone reactions
- Acetone structure
- Butanone reactions
- Butanone structure
- Heptanone reactions
Laboratory Equipment (87 terms)
- Addition funnel
- Allihn condenser
- Autoclave sterilizer
- Balance digital
- Balance triple beam
Minerals (84 terms)
- Agate banded chalcedony
- Amethyst purple quartz
- Anglesite PbSO4
- Anhydrite CaSO4
- Apatite Ca5(PO4)3(OH)
Named Reactions (397 terms)
- Acetoacetic ester synthesis
- Acyloin condensation
- Arndt-Eistert synthesis
- Bamberger rearrangement
- Barton reaction
Nitrates (134 terms)
- Actinium nitrate
- Actinium(III) nitrate
- Aluminum nitrate
- Aluminum(III) nitrate
- Americium nitrate
Nomenclature (630 terms)
- benzenal naming rules
- benzenamide naming rules
- benzenamine naming rules
- benzenether naming rules
- benzennitrile naming rules
Nonmetal Compounds (60 terms)
- Astatine dioxide
- Astatine hydride
- Astatine pentoxide
- Astatine trichloride
- Astatine trioxide
Organic Compounds (953 terms)
- Acetaldehyde CH3CHO
- Acetic acid CH3COOH
- Acetone CH3COCH3
- Acetonitrile CH3CN
- Acrylamide CH2=CHCONH2
Oxides (428 terms)
- Actinium dioxide
- Actinium monoxide
- Actinium oxide
- Actinium(II) oxide
- Actinium(III) oxide
Pharmaceuticals (160 terms)
- 5-Fluorouracil anticancer
- ACE inhibitor mechanism
- ADME drug properties
- Acetaminophen paracetamol
- Acyclovir antiviral
Polymers (161 terms)
- Addition polymerization mechanism
- Adhesive polymer types
- Alginate polysaccharide
- Amorphous polymer region
- Anionic polymerization living
Safety (55 terms)
- Acid base storage safety
- Autoignition temperature
- Carcinogen handling precautions
- Chemical hazard classification GHS
- Chemical hygiene plan
Salts (108 terms)
- Barium bromide
- Barium fluoride
- Barium hydride
- Barium iodide
- Barium nitride
Solid State Chemistry (100 terms)
- lattice parameter
- Amorphous solid structure
- Atomic packing factor BCC
- Atomic packing factor FCC
- Band gap semiconductor
Spectroscopy (48 terms)
- 2D NMR spectroscopy
- Atomic absorption spectroscopy AAS
- Atomic emission spectroscopy AES
- Auger electron spectroscopy
- COSY NMR
Substituted Compounds (92 terms)
- Aminoaniline
- Aminobenzene
- Aminobutane
- Aminoethane
- Aminohexane
Sulfates (134 terms)
- Actinium sulfate
- Actinium(II) sulfate
- Aluminum sulfate
- Aluminum(II) sulfate
- Americium sulfate
Vitamins (14 terms)
- Vitamin A retinol
- Vitamin B1 thiamine
- Vitamin B12 cobalamin
- Vitamin B2 riboflavin
- Vitamin B3 niacin

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Pyran ring

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Pyridine C5H5N

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Pyridine C5H5N solvent

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Pyridine ring

Learn about Pyridine ring, a functional groups term in chemistry. Detailed definition, chemical properties, applications, and examples.