Using a special instrument called a spectrometer, observations of Eris show it has frozen methane on its surface.
Source: tatoeba (3957513)
Ranked by relevance and common usage.
Keep "spectrometer" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Choose a synonym only if it keeps the core idea of "spectrometer" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
After choosing a replacement for "spectrometer", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
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3 total sentences available.
Using a special instrument called a spectrometer, observations of Eris show it has frozen methane on its surface.
Source: tatoeba (3957513)
The Pathfinder Lander carried onboard a robotic rover named Sojourner. The 10 kilogram solar-powered rover was equipped with a spectrometer used to analyze the chemical composition of Martian rock and a camera which relayed images of the landscape back to Earth.
Source: tatoeba (3958413)
A spectrometer uses light to identify the chemical composition of matter.
Source: tatoeba (5322450)
Closest matches include analytical chemistry instrument, colorimeter, instrument, mass spectrometer, measurement device.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.