Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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No pronunciation record was provided for this word.
noun
a surface having many closely spaced lines or slits; used to produce optical spectra by mutual interference
Definition source: English Wiktionary via Wiktextract
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: grating
Antonyms: none provided
Broader terms: optical device
Narrower terms: echelon
History
No etymology was provided for this word.
Across languages
4 source translations are retained for this English entry.
