expansionsとは何ですか?
- The act or process of expanding: the new nation's expansion westward. The state of being expanded.
- An expanded part: an expansion of a river. A product of expanding: a book that is an expansion of the author's PhD thesis.
- The extent or amount by which something has expanded.
- Mathematics A quantity written in an extended form, such as in a sum or product of terms. The process of obtaining this form.
- An expanse.
- A period of increased economic or business activity.