bond radius
Technical term in chemistry and materials science referring to the effective radius of an atom in a chemical bond.
The bond radius is determined from the bond distance between atoms.
Atomic radius refers to the size of an isolated atom, while bond radius is the effective radius of an atom when it is bonded to another atom.
Covalent bond radius is a specific type of bond radius for covalent bonds; 結合半径 is a broader term that can apply to various bond types.
covalent radius
Compound of 結合 (bond, union) and 半径 (radius). A calque from English 'bond radius'.