Adjective

(en-adj)

Free of flaws or imperfections; unsullied.

* (1800-1859)

Such was the origin of a friendship as warm and pure as any that ancient or modern history records.

(senseid)Free of foreign material or pollutants.

* (Isaac Watts) (1674-1748)

A guinea is pure gold if it has in it no alloy.

Free of immoral behavior or qualities; clean.

* Bible, v. 22

Keep thyself pure .

(label) Done for its own sake instead of serving another branch of science.

* {{quote-magazine, date=2014-06-21, volume=411, issue=8892, magazine=(The Economist)

, title= Magician’s brain , passage=The [Isaac] Newton that emerges from the [unpublished] manuscripts is far from the popular image of a rational practitioner of cold and pure reason. The architect of modern science was himself not very modern. He was obsessed with alchemy.}}

(label) Of a single, simple sound or tone; said of some vowels and the unaspirated consonants.

(label) Without harmonics or overtones; not harsh or discordant.

Adjective

(en adjective)

Able to be seen.

*

, title=(The Celebrity), chapter=5 , passage=Although the Celebrity was almost impervious to sarcasm, he was now beginning to exhibit visible signs of uneasiness, the consciousness dawning upon him that his eccentricity was not receiving the ovation it merited.}}

* {{quote-magazine, year=2013, month=May-June, author= William E. Conner

, title= An Acoustic Arms Race , volume=101, issue=3, page=206-7, magazine=(American Scientist) , passage=Earless ghost swift moths become “invisible” to echolocating bats by forming mating clusters close