something or someone that defoliates.

simple past tense and past participle of defoliate

present participle of defog

Something or someone that defogs.

Third-person singular simple present indicative form of defog

simple past tense and past participle of defog

(transitive) To remove the moisture or fog from. / (transitive, informal) To make intelligible; to free from confusion.

plural of defogger

A permanent change in the shape or size of an object without breaking it or putting it under excessive stress

(transitive) To cause (a lens, or a beam of light or particles, etc.) to be out of focus.