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Spectrum associated with emission of electromagnetic radiation by atoms (or other species) resulting from electronic transitions from higher to lower energy states.

 

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Cis-Trans Isomerism

A type of geometrical isomerism related to the angles between like ligands.

Control Rods

Rods of materials such as cadmium or boron steel that act as neutron obsorbers (not merely moderaters) used in nuclear reactors to control neutron fluxes and therfore rates of fission.

Optical Activity

The rotation of plane polarized light by one of a pair of optical isomers.

 

Manometer

A two-armed barometer.

Critical Point

The combination of critical temperature and critical pressure of a substance.

Ostwald Process

A process for the industrial production of nitrogen oxide and nitric acid from ammonia and oxygen.

Inhibitory Catalyst

An inhibitor, a catalyst that decreases the rate of reaction.

Meniscus

The shape assumed by the surface of a liquid in a cylindrical container.

All Chemicals - Chemical Glossary

The Chemical Glossary currently has 651 chemical entries. You may search the Chemical Glossary by entering the keyword in the search box or by browsing the entire chemical glossary by letter in alphabetical order.

Compressed Gas

A gas or mixture of gases having, in a container an absolute pressure exceeding 40 psi at 21.1°C (70°F)