General science

General science

A variety of science subjects concerning the fundamental knowledge about different aspects of our world and their underlying principles.

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General science

Biopyribole

Science; General science

A member of a chemically diverse, structurally related group of minerals that comprise substantial fractions of both the Earth's crust and upper mantle. The term was coined by Albert Johannsen in ...

A member of a class of organic compounds composed of carbon, hydrogen, and oxygen. They can be considered as hydroxyl derivatives of hydrocarbons produced by the replacement of one or more hydrogens ...

Supergiant star

Science; General science

A member of a class of evolved stars that occupy the top of the Hertzsprung-Russell diagram to the right of the main sequence. The absolute visual magnitudes ( M V ) of supergiants range ...

Tektite

Science; General science

A member of one of several groups of objects that are composed almost entirely of natural glass formed from the melting and rapid cooling of terrestrial rocks by the energy accompanying impacts of ...

Delta resonance

Science; General science

A member of a class of subatomic particles called baryons, which exists in four electric charge states and has a total spin of J = 3/√ 2 . In the underlying quark model, the delta ...

Cytochrome

Science; General science

A member of a class of proteins containing hemes as prosthetic groups that catalyse oxidation/reduction reactions. Cytochromes are distinct from other heme-containing proteins, such as myoglobin and ...

Meso-ionic compound

Science; General science

A member of a class of five-membered ring heterocycles (and their benzo derivatives) which possess a sextet of π electrons in association with the atoms composing the ring but which cannot be ...