noun
Chemistry term for a compound containing chlorine in the -1 oxidation state.
食塩は塩化ナトリウムという塩化物の一種です。
Table salt is a type of chloride called sodium chloride.
この水溶液には塩化物イオンが含まれて
This aqueous solution contains chloride ions.
塩化 is the prefix 'chloro-' or 'chloride of', used in compound names like 塩化ナトリウム (sodium chloride). 塩化物 is the general term for a chloride compound.
Compound of 塩 (えん, 'salt' or 'chlorine') + 化 (か, '-ization') + 物 (ぶつ, 'substance'). The term follows the standard chemical naming pattern for compounds.