Verb

(refin)

To reduce to a fine, unmixed, or pure state; to free from impurities; to free from dross or alloy; to separate from extraneous matter; to purify

* {{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)

, title= Yesterday’s fuel , passage=The dawn of the oil age was fairly recent. Although the stuff was used to waterproof boats in the Middle East 6,000 years ago, extracting it in earnest began only in 1859 after an oil strike in Pennsylvania.

To purify from what is gross, coarse, vulgar, inelegant, low, and the like; to make elegant or excellent; to polish.

To become pure; to be cleared of feculent matter.

To improve in accuracy, delicacy, or excellence.

To affect nicety or subtlety in thought or language.

Verb

(promot)

To raise (someone) to a more important, responsible, or remunerative job or rank.

He promoted his clerk to office manager.

Having crossed the chessboard, his pawn was promoted to a queen.

To advocate or urge on behalf of (something or someone); to attempt to popularize or sell by means of advertising or publicity.

They promoted the abolition of daylight saving time.

They promoted the new film with giant billboards.

To encourage, urge or incite

{{quote-Fanny Hill, part=5 , so that finding myself on the point of going, and loath to leave the tender partner of my joys behind me, I employed all the forwarding motions and arts my experience suggested to me, to promote his keeping me company to our journey's end}}

To elevate to the above league.

At the end of the season, three teams are promoted to the Premier League.

(label) To increase the activity of a catalyst by changing its surface structure

(label) To exchange a pawn for a queen or other piece when it reaches the 8th rank