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

(en verb)

To undo or open a lock or something locked by, for example, turning a key, or selecting a combination.

To obtain access to something.

*{{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)

, title= Welcome to the plastisphere , passage=Plastics are energy-rich substances, which is why many of them burn so readily. Any organism that could unlock and use that energy would do well in the Anthropocene. Terrestrial bacteria and fungi which can manage this trick are already familiar to experts in the field.}}

To disclose or reveal previously unknown knowledge.

To be or become unfastened or unrestrained.

*

He had come straight up without mishap or swerving off his course, and his shut teeth unlocked .