Material which is intentionally destroyed in use (for example, heatshields which burn away to dissipate heat)

(grammar) Applied to one of the cases of the noun in some languages, the fundamental meaning of the case being removal, separation, or taking away, and to a lesser degree, instrument, place, accorda [..]

"grammatical case denoting removal or separation," late 14c. as an adjective; mid-15c. as a noun (short for ablative case, originally of Latin), from Old French ablatif and directly from Lat [..]

1. Taking away or removing. "Where the heart is forestalled with misopinion, ablative directions are found needful to unteach error, ere we can learn truth." (Bp. Hall) 2. Applied to one of the cases of the noun in Latin and some other languages, the fundamental meaning of the case being removal, separation, or taking away. See: ablation. [..]

lang=de|Ablativ

In Latin grammar, the ablative case (in Latin, cāsus ablātīvus) is one of the six cases of nouns. Traditionally, it is the sixth case (Latin: cāsus sextus, cāsus latīnus). It has forms and funct [..]

(n) the case indicating the agent in passive sentences or the instrument or manner or place of the action described by the verb(adj) relating to the ablative case(adj) tending to ablate; i.e. to be [..]