Verb

(en verb)

(label) To change (something) from a smaller form and/or size to a larger one.

(label) To increase the extent, number, volume or scope of (something).

* (John Milton) (1608-1674)

Then with expanded wings he steers his flight.

(label) To express (something) at length and/or in detail.

To rewrite (an expression) as a longer, yet equivalent sum of terms.

To multiply both the numerator and the denominator of a fraction by the same natural number yielding a fraction of equal value

(label) To (be) change(d) from a smaller form/size to a larger one.

(label) To (be) increase(d) in extent, number, volume or scope.

(label) To speak or write at length or in detail.

*{{quote-book, year=1899, author=(Stephen Crane)

, title=, chapter=1 , passage=There was some laughter, and Roddle was left free to expand his ideas on the periodic visits of cowboys to the town. “Mason Rickets, he had ten big punkins a-sittin' in front of his store, an' them fellers from the Upside-down-F ranch shot 'em up […].”}}

(label) To feel generous or optimistic.

Verb

To change with a specific direction, progress.

(ambitransitive) To progress through a sequence of stages.

* Owen

All insects acquire the jointed legs before the wings are fully developed .

To advance; to further; to promote the growth of.

* Jowett (Thucyd)

We must develop our own resources to the utmost.

To create.

* {{quote-magazine, year=2013, month=July-August, author= Catherine Clabby

, magazine=(American Scientist), title= Focus on Everything , passage=Not long ago, it was difficult to produce photographs of tiny creatures with every part in focus.

To bring out images latent in photographic film.

To acquire something usually over a period of time.

(chess) To place one's pieces actively.

(snooker, pool) To cause a ball to become more open and available to be played on later. Usually by moving it away from the cushion, or by opening a pack.

(math) To change the form of (an algebraic expression, etc.) by executing certain indicated operations without changing the value.