Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But proof was lacking; even the brightest auroras were too faint and diffuse to be studied spectrographically by existing instruments.

From Time Magazine Archive

The first Nova Persei was spectrographically recorded in 1887.

From A Popular History of Astronomy During the Nineteenth Century Fourth Edition by Clerke, Agnes M. (Agnes Mary)

Out of little more than idle curiosity, he compared the ratios of the rough quantitative estimate found spectrographically with the more accurate but impossible answer of the combustion micro-analysis.

From Wait for Weight by McKenty, Jack