orbitrap

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noun

A mass analyzer consisting of an outer barrel-like electrode and a coaxial inner spindle-like electrode that traps ions in an orbital motion around the spindle. The image current from the trapped ions is detected and converted to a mass spectrum using the Fourier transform of the frequency signal.

Scrabble 12
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Meanings

nounorbitrap (plural orbitraps)

plural orbitraps

  1. A mass analyzer consisting of an outer barrel-like electrode and a coaxial inner spindle-like electrode that traps ions in an orbital motion around the spindle. The image current from the trapped ions is detected and converted to a mass spectrum using the Fourier transform of the frequency signal.

Origin

Blend of orbit + trap.

Full word history & related roots →
Cite this entry
APA

orbitrap. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/orbitrap

MLA

“orbitrap.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/orbitrap. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “orbitrap,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/orbitrap.

Source: orbitrap on Wiktionary, CC BY-SA 4.0.