1. A reference to taking away or removing: "The city trash was consumed in a furnace which was fired at ablative temperatures that would consume the trash and leave a fine ash."
2. Tending to be removed or vaporized at very high temperatures: "The ablative material on a rocket cone fell off."
3. In grammar, applied to one of the cases of the noun in Latin and some other Indo-European languages: "The ablative case is the removal, separation, or taking away; that is, indicating direction away from, or time when."

"In some inflected languages, the ablative case has among its functions the indications of a place from which or, as in Latin, a place in which, a manner, a means, an instrument, or agent."

A grammatical case used in some languages to indicate movement away from something, removal of, separation from, or source of: "The ablative case corresponds roughly to the English prepositions 'from', 'away from', and 'concerning'."

"Raymond's sister had to memorize lists of ablative cases when she was studying a foreign language at school."

"All of the ablative cases which the author used made the story interesting but a bit convoluted."