An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

The study of the chemical interactions between the gas and dust of the interstellar medium.

Astrochemistry, from → astro- "star" + → chemistry.

Axtaršimi, from axtar, → astro-, + šimi, → chemistry.

The science of the composition, structure, properties, and reactions of chemical elements and compounds and their interactions with matter and energy.

Chemistry, from chemist, from Gk. chemia "alchemy" + -ry, from M.E. -rie, from O.Fr.

Šimi, from Fr. as above.

The study of the chemical composition of the universe and the processes that produced those compositions. Cosmochemistry is an interdisciplinary science that overlaps with geochemistry, geology, astronomy, astrophysics, and geophysics.

→ cosmo-; → chemistry.

A field of science that is concerned with the relative abundance, distribution, and the movement of → chemical elements in the → Earth's crust or other → solar system objects.

→ geo-; → chemistry.

The study of compounds that contain carbon chemically bound to hydrogen.

→ organic; → chemistry.

The study of the chemical and physical changes occurring when a molecule or atom absorbs photons of light.

→ photo- + → chemistry.

The branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations.

→ physical; → chemistry.