Word.ws English Dictionary

Atwood number

Atwood number noun: a dimensionless number used in the study of hydrodynamic instabilities in density stratified flows: A=(ρ₁-ρ₂)/(ρ₁+ρ₂), where ρ₁ is the density of the heavier fluid and ρ₂ is the density of the lighter fluid.

Noun

Atwood number (plural Atwood numbers)

  1. A dimensionless number used in the study of hydrodynamic instabilities in density stratified flows: A=(ρ₁-ρ₂)/(ρ₁+ρ₂), where ρ₁ is the density of the heavier fluid and ρ₂ is the density of the lighter fluid.

Forms of Atwood number

pluralAtwood numbers

Origin of Atwood number

Probably named after George Atwood.

Questions about Atwood number

What does Atwood number mean?
Atwood number means a dimensionless number used in the study of hydrodynamic instabilities in density stratified flows: A=(ρ₁-ρ₂)/(ρ₁+ρ₂), where ρ₁ is the density of the heavier fluid and ρ₂ is the density of the lighter fluid.
What part of speech is Atwood number?
Atwood number is a noun.
What is the plural of Atwood number?
The plural of Atwood number is Atwood numbers.

Words near Atwood number in the dictionary

  1. atwix
  2. atwixt
  3. Atwood
  4. Atwood machine
  5. Atwood machines
  6. Atwood number
  7. Atwood numbers
  8. Atwood's Law
  9. Atwood's machine
  10. Atwoodian
  11. Atwoods

Source and license

Adapted from Wiktionary: Atwood number (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “Atwood number.” Word.ws, https://word.ws/atwood_number. Based on Wiktionary, CC BY-SA 4.0.