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Unstable vs Fluid - What's the difference?

unstable | fluid | Related terms |

In physics terms the difference between unstable and fluid

is that unstable is radioactive, especially with a short half-life while fluid is any substance which can flow with relative ease, tends to assume the shape of its container, and obeys Bernoulli's principle; a liquid, gas or plasma.

As adjectives the difference between unstable and fluid

is that unstable is having a strong tendency to change while fluid is of or relating to fluid.

As a noun fluid is

any substance which can flow with relative ease, tends to assume the shape of its container, and obeys Bernoulli's principle; a liquid, gas or plasma.

unstable

English

Adjective

(en adjective)
  • Having a strong tendency to change.
  • * {{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)
  • , title= Yesterday’s fuel , passage=The dawn of the oil age was fairly recent. Although the stuff was used to waterproof boats in the Middle East 6,000 years ago, extracting it in earnest began only in 1859 after an oil strike in Pennsylvania.
  • Fluctuating; not constant.
  • Fickle.
  • Unpredictable.
  • (chemistry) Readily decomposable.
  • (physics) Radioactive, especially with a short half-life.
  • Synonyms

    * instable (rare) * (not held or fixed securely and likely to fall over) precarious, rickety, shaky, tottering, unsafe, unsteady, wobbly

    Antonyms

    * stable

    Anagrams

    *

    fluid

    English

    Noun

    (wikipedia fluid)
  • (physics) Any substance which can flow with relative ease, tends to assume the shape of its container, and obeys Bernoulli's principle; a liquid, gas or plasma.
  • * {{quote-magazine, date=2013-03
  • , author=Frank Fish, George Lauder , title=Not Just Going with the Flow , volume=101, issue=2, page=114 , magazine= citation , passage=An extreme version of vorticity is a vortex . The vortex is a spinning, cyclonic mass of fluid , which can be observed in the rotation of water going down a drain, as well as in smoke rings, tornados and hurricanes.}}

    Derived terms

    * amber fluid * brake fluid * fluid mechanics

    Adjective

    (en adjective)
  • (not comparable) Of or relating to fluid.
  • In a state of flux; subject to change.
  • * {{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)
  • , title= Boundary problems , passage=Economics is a messy discipline: too fluid to be a science, too rigorous to be an art. Perhaps it is fitting that economists’ most-used metric, gross domestic product (GDP), is a tangle too. GDP measures the total value of output in an economic territory. Its apparent simplicity explains why it is scrutinised down to tenths of a percentage point every month.}}
  • Moving smoothly, or giving the impression of a liquid in motion.
  • (of an asset) Convertible into cash.