plural of flattening

Capable of being flattened.

Third-person singular simple present indicative form of flatten

(transitive) To make something flat or flatter. / (reflexive) To press one's body tightly against a surface, such as a wall or floor, especially in order to avoid being seen or harmed.

simple past tense and past participle of flatten

Made flat by something.

The act, or the result of making something flat or flatter / A flattened part of something

present participle of flatten

plural of flattener

Anything that flattens. / (finance) A trade whose terms are based on the assumption that the rate of return will decrease.