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Spectrograph Meaning in English

word

ˈspɛktɹəˌɡɹæf
SPEK-truh-graf
spˈɛktɹəɡɹˌæf
spek-TRUH-graf

Definition

A spectrograph is a scientific instrument that separates light into its different colors or wavelengths, often used to analyze the composition of stars or substances.

Usage & Nuances

Mainly used in scientific, especially astronomical and chemical, contexts. Almost always refers to the instrument, not the process or person. Don't confuse with 'spectrometer' (general measurement devices). Common collocations: 'use a spectrograph', 'data from the spectrograph', 'optical spectrograph.'

Example Sentences

The scientist used a spectrograph to study the starlight.

basic

A spectrograph can show the colors that make up white light.

basic

The lab bought a new spectrograph for research.

basic

Modern telescopes often come equipped with a spectrograph for detailed analysis.

natural

They calibrated the spectrograph before running the experiment.

natural

You can tell what elements are in a star just by looking at the data from a spectrograph.

natural