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Conduction of electrical current through a metal or along a metallic surface.

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Heisenberg Uncertainty Principle

It is impossible to determine accurately both the momentum and position of an electron simultaneously.

xylan

The pentosan occurring in woody tissue that hydrolyzes to xylose: used as a source of furfural.

Chemical Kinetics

The study of rates and mechanisms of chemical reactions and of the factors on which they depend.

Half-Reaction

Either the oxidation part or the reduction part of a redox reaction.

Oxide

A binary compound of oxygen.

Differential Thermometer

A thermometer used for accurate measurement of very small changes in temperature.

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General Chemistry Online - Rich resource for students and teachers of introductory chemistry. Includes interactive course guides and tutorials, an exam survival guide, reference tables, self-grading quizzes and exams, a searchable glossary, a question and answer board, answers to over 300 frequently asked questions, and a chemical trivia quiz.
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Chemistry & Environmental Dictionary - Contains definitions for many chemistry, environmental and other related technical terms and acronyms.
EDF Chemical Scoreboard - Toxic Release Inventory data for the US. Sources and amounts of toxic chemicals released to air and water. Also has information on health effects and other topics.
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Ampere

Unit of electrical current, one ampere equals one coulomb per second.

 

Ligand

A Lewis base in a coordination compound.

Cathode

Electrode at which reduction occurs in a cathode ray tube, the negative electrode.