ellipsometry

E1L1L1I1P3S1O1M3E1T1R1Y4

noun

An optical technique for investigating the dielectric properties of thin films, especially those used in fabricating semiconductors

OriginAncient Greek μέτρον (métron) ← Proto-Indo-European *meh₁- ← English ellipse →
UncommonScrabble 19
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounellipsometry (uncountable)
  1. uncountableAn optical technique for investigating the dielectric properties of thin films, especially those used in fabricating semiconductors

Origin

  1. Englishellipse
  2. Proto-Indo-European*med-
  3. Proto-Indo-European*meh₁-
  4. Ancient Greekμέτρον (métron)
  5. Englishellipsometry

From ellipse + -o- + -metry.

Full word history & related roots →
Cite this entry
APA

ellipsometry. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/ellipsometry

MLA

“ellipsometry.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ellipsometry. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “ellipsometry,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/ellipsometry.

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