1. [ adjective ] tending to ablate; i.e. to be removed or vaporized at very high temperature

"ablative material on a rocket cone"

Related terms: subtractive
2. [ adjective ] (linguistics) relating to the ablative case
Related terms: linguistics
3. [ noun ] (grammar) the case indicating the agent in passive sentences or the instrument or manner or place of the action described by the verb
Synonyms: ablative_case
Related terms: oblique
Similar spelling:   ablate