different between density vs validity

English

Etymology

Borrowed from Middle French densité or Latin densitas.

Morphologically dense +? -ity

Pronunciation

• (UK) IPA^(key): /?d?n.s?.ti/, /?d?n.s?.ti/
• (US) IPA^(key): /?d?n.s?.ti/, [?d?n.s?.?i]

Noun

density (countable and uncountable, plural densities)

2. (physics) A measure of the mass of matter contained by a unit volume.

   Synonym: mass density
4. The ratio of one quantity, representing something of interest, to another quantity representing space, area, or extent in which the thing of interest is distributed.

   Synonym: number density

6. (mathematics, statistics) The probability that an outcome will fall into a given range, per unit of that range; the relative likelihood of possible values of a continuous random variable.

   Synonym: probability density

7. (dated) Stupidity; denseness.

Hyponyms

• charge density
• energy density
• electron density
• freight density

Derived terms

• arithmetic density
• asymptotic density
• high-density
• medium-density
• low-density
• mass density
• natural density
• number density
• population density

Related terms

• dense

Translations

Anagrams

• Destiny, destiny

English

Etymology

valid +? -ity, borrowed from Middle French validité, from Late Latin validitas.

Noun

validity (countable and uncountable, plural validities)

1. The state of being valid, authentic or genuine.
2. State of having legal force.
3. A quality of a measurement indicating the degree to which the measure reflects the underlying construct, that is, whether it measures what it purports to measure (see reliability).

Translations