A lot vs. Alot: 9 Grammatical Pitfalls

Rowland, Henry Augustus

American physicist who invented the concave diffraction grating, which replaced prisms and plane gratings in many applications, and revolutionized spectrum analysis-the resolution of a beam of light into components that differ in wavelength.

Learn more about Rowland, Henry Augustus with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Word Value for rowland,

Scrabble Words With Friends

Nearby words for rowland, henry augustus