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, title= Magician’s brain , passage=The [Isaac] Newton that emerges from the [unpublished] manuscripts is far from the popular image of a rational practitioner of cold and pure reason.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)

Allowing the passage of light; transparent.

* 1857 , , The Coral Island , ch. 16:

. . . and the bright seaweeds and the brilliant corals shone in the depths of that pellucid water, as we rowed over it, like rare and precious gems.

Easily understood; clear.

* 1999 , , Preface:

If I treat that grammar as pellucid , then I fail to call attention precisely to that sphere of language that establishes and disestablishes intelligibility, and that would be precisely to thwart my own project as I have described it to you here.