noun, noun which may take the genitive case particle 'no'
pertaining to objects; object-related
Used in compound terms like 対物レンズ (objective lens) or in legal/insurance contexts such as 対物賠償 (property damage compensation). Not a standalone conversational word.
I take out property damage liability insurance.
I change the microscope's objective lens.
Compound of 対 (たい, 'toward, against') and 物 (ぶつ, 'thing, object'). The reading ぶつ is the on'yomi of 物 in compounds.