I. ˈa-blə-tiv adjective
Date: 15th century
: of, relating to, or constituting a grammatical case expressing typically the relations of separation and source and also frequently such relations as cause or instrument
• ablative noun
II. a-ˈblā-tiv adjective
Date: circa 1569
1. : of or relating to ablation
2. : tending to ablate
ablative material on a nose cone
• ab·la·tive·ly adverb