simple past tense and past participle of expand

(transitive) To change (something) from a smaller form or size to a larger one; to spread out or lay open. / (transitive) To increase the extent, number, volume or scope of (something).

present participle of expand

Anything that can be expanded.

Having the capacity to be expanded.

Third-person singular simple present indicative form of expand

One who expands; something that expands. / (dentistry) A device used to widen the upper jaw so that the bottom and upper teeth will fit together better; a palatal expander.

plural of expandable

plural of expander

(uncountable) The condition of being expandable / (countable) The degree to which something is expandable