Definition: The word "expandable" is an adjective that describes something that can grow larger or be made bigger. It often refers to objects or materials that can be stretched, increased in size, or added to.
In a more technical context, "expandable" can refer to materials or systems in science and technology, such as gases that can increase in volume when heated.
While there are no direct idioms or phrasal verbs specifically related to "expandable," you might encounter phrases that convey similar ideas: - "Think outside the box": This means to think creatively and consider ideas that are not limited by traditional boundaries, similar to how "expandable" implies growth.
"Expandable" is a useful word to describe things that can grow or be made larger.