Definition of ablative in English:



  • 1Grammar
    Relating to or denoting a case (especially in Latin) of nouns and pronouns (and words in grammatical agreement with them) indicating separation or an agent, instrument, or location.

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

    • ‘The ablative surgery included an anterior thigh flap by the plastic surgery service.’
    • ‘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.’
    • ‘Atrophic scars, on the other hand, can be resurfaced with either ablative or nonablative lasers.’
    • ‘It may be wise to biopsy all ‘warts’ before ablative treatment.’
    • ‘Treatment methods can be chemical or ablative.’
    • ‘Disease limited to the liver is suitable for surgical resection or ablative techniques.’
  • 3Relating to or subject to ablation through melting or evaporation.

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


  • 1A word in the ablative case.

    • ‘Thinking of ablatives as Latin's version of English adverbial clauses and phrases may help you.’
    • ‘No, I think I mean loco, from the Latin ablative for locus, meaning place.’
    • ‘Identify the types of ablatives in five Latin sentences, and then translate the ablative forms.’
    • ‘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.’
    1. 1.1the ablative The ablative case.
      • ‘Classical Mongolian had seven cases: nominative, accusative, dative, genitive, ablative, instrumental, and comitative.’
      • ‘The nominal system distinguishes five cases: nominative, genitive, dative, accusative, and ablative.’
      • ‘Mention one example each of verbs followed by the nominative, the accusative, the genitive, the dative, the 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).