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

1) General: A relationship or resemblance.
2) Math.: The state, quality, or fact of being → affine.

→ affine; → -ity.

The extent to which a chemical species, such as an atom or molecule, tends to combine with another to form a chemical compound.

→ chemical; → affinity.

The amount of energy released or absorbed in the process in which an electron is added to a neutral atom or molecule in gaseous state to form a negative ion.

→ electron; → affinity.