Definition of ablative in English:



  • 1Grammar
    Denoting a case (especially in Latin) of nouns and pronouns and words in grammatical agreement with them indicating an agent, instrument, or source, expressed by ‘by’, ‘with’, or ‘from’ in English.

    • ‘Of the six Indo-European cases capable of being governed by adpositions, the ablative and genitive singular were not distinguished outside of o-stems.’
    • ‘And what on earth is ‘motu’ - ablative form of ‘motus’, but there is no fourth-declension ‘motus’ in Lewis and Short.’
    • ‘‘De minimis’ is a construction called the ablative plural, you don't use the ending ‘us’ after the preposition ‘de’.’
    • ‘My Mongolian had got as far as the ablative case and the important greeting noxhoi-khoi, ‘hold the dog’.’
    • ‘Indeed, the nominal part of this prepositional phrase is not in the nominative case; sub governs the ablative case.’
  • 2(of surgical treatment) involving ablation.

    ‘all nine patients were treated by ablative surgery’
    • ‘The ablative surgery included an anterior thigh flap by the plastic surgery service.’
    • ‘Treatment methods can be chemical or ablative.’
    • ‘Disease limited to the liver is suitable for surgical resection or ablative techniques.’
    • ‘If patients have a less than 50 percent reduction in wart size, surgical excision or other ablative therapy should be initiated.’
    • ‘For ablative treatment procedures other than cryotherapy, local anesthesia with topical or injected lidocaine should be used.’
    • ‘It may be wise to biopsy all ‘warts’ before ablative treatment.’
    • ‘Atrophic scars, on the other hand, can be resurfaced with either ablative or nonablative lasers.’
  • 3Relating to or subject to ablation through melting or evaporation.

    ‘the spacecraft's ablative heat shield’
    • ‘An ablative heat shield is made of a resinous composite material that slowly vaporizes during descent.’
    • ‘To hell with temporal paradoxes, let's have that ablative armor and transphasic torpedo technology just a few years earlier.’
    • ‘Alright, get up here, and switch on the ablative hull armor.’
    • ‘Tests concluded that the average time the cannon needed to penetrate high-power ablative shielding and hull plating, was just under sixteen seconds.’
    • ‘Second, it has some sort of ablative shielding and is making a very steep controlled entry.’
    • ‘In the center of the roof, stood three tubes which stuck into the building itself, made up of a flexible poly-alloy substance, lightly sheathed in a coat of transparent ablative armor.’
    • ‘But many boaters today use ablative bottom paints that don't require stripping.’
    • ‘George Thompson gritted his teeth as he reported ‘Dorsal ablative armor is dropping fast, inner shield systems aren't responding.’’
    • ‘This heat shield is covered by an insulating layer protected by an ablative material in contact with the hot plasma flow.’
    • ‘Protected by an ablative thermal shield, the probe will decelerate to 400 metres per second.’
    • ‘Why use a glass thermal protection system, rather than a low-tech ablative shield?’
    • ‘But that ablative armor of your's isn't going hold out under this punishment.’
    • ‘The craft survived the journey with a rounded, blunt heat shield covered with ablative material, which evaporated away to dissipate heat.’
    • ‘There are different types of phasers now, including ablative and shield penetrating.’


  • 1A word in the ablative case.

    • ‘You may find yourself analyzing a long sentence with half a dozen unexplained ablatives left over at the end.’
    • ‘I don't see why the word couldn't be used for hairless, though I'll admit it might be more usual to have an ablative of respect in there somewhere.’
    • ‘No, I think I mean loco, from the Latin ablative for locus, meaning place.’
    • ‘Thinking of ablatives as Latin's version of English adverbial clauses and phrases may help you.’
    • ‘Identify the types of ablatives in five Latin sentences, and then translate the ablative forms.’
    1. 1.1the ablative The ablative case.
      • ‘Classical Mongolian had seven cases: nominative, accusative, dative, genitive, ablative, instrumental, and comitative.’
      • ‘Mention one example each of verbs followed by the nominative, the accusative, the genitive, the dative, the ablative.’
      • ‘The nominal system distinguishes five cases: nominative, genitive, dative, accusative, and ablative.’
      • ‘Just to clarify what the cases mean - dative means Bellesiles is the indirect object; and the ablative, among other things, it's used with the preposition ‘with’ (I wrote the book with Bellesiles).’


Late Middle English: from Old French ablative (feminine of ablatif), Latin ablativus, from ablat- ‘taken away’ (see ablation).