fenster

F4E1N1S1T1E1R1

noun

A geologic structure formed by erosion or normal faulting on a thrust system; a tectonic window.

OriginGerman Fenster ← Latin fenestra →
Less commonScrabble 10
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounfenster (plural fensters)

plural fensters

  1. geographyA geologic structure formed by erosion or normal faulting on a thrust system; a tectonic window.
    1 more example

    1983, J. F. Evernden, R. E. Criss, William Jasper Sando, https://books.google.com/books?id=A8RRAQAAMAAJ&pg=RA1-SL1-PA1&dq=%22fensters%22+tectonic&hl=en&sa=X&ved=0ahUKEwipqvOA0bvRAhXIrVQKHaB3BoUQ6AEIGjAA#v=onepage&q=%22fensters%22%20tectonic&f=false Examination of strain data and cross sections suggests that the fensters expose rootless tectonic slices […]

Origin

  1. Latinfenestra“window”
  2. GermanFenster“window”
  3. Englishfenster

From German Fenster (“window”), from Latin fenestra (“window”).

More words from German, Latin

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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