different between divergence vs collimator

English

Etymology

Morphologically diverge +? -ence.

Pronunciation

• IPA^(key): /da??v??(?)d??ns/, /d??v??(?)d??ns/

Noun

divergence (countable and uncountable, plural divergences)

1. The degree to which two or more things diverge.

   An angle is made by the divergence of straight lines.

2. (calculus) the operator which maps a function F=(F₁, ... F_n) from a n-dimensional vector space to itself to the number ${\displaystyle \sum _{i=1}^{n}{\frac {\partial F_{i}}{\partial x_{i}}}}$
3. (obsolete) disagreement; difference
   • 1852, George Cornewall Lewis, Treatise on the Methods of Observation and Reasoning in Politics

     divergence of thought

4. The process in which two or more populations accumulate genetic changes (mutations) through time.

Synonyms

• (mathematical operator): div, ?·

Antonyms

• convergence

Coordinate terms

• (mathematical operator): curl, gradient, compressible, solenoidal

Derived terms

• divergenceless
• nondivergence
• overdivergence
• underdivergence

Related terms

• diverge
• divergent

Translations

References

• OED2

Czech

Pronunciation

• IPA^(key): [?d?v?r??nt?s?]

Noun

divergence f

1. divergence

Antonyms

• konvergence

Related terms

• divergovat
• divergentní

Further reading

• divergence in P?íru?ní slovník jazyka ?eského, 1935–1957
• divergence in Slovník spisovného jazyka ?eského, 1960–1971, 1989

French

Etymology

From Latin divergentia.

Pronunciation

• IPA^(key): /di.v??.???s/

Noun

divergence f (plural divergences)

1. divergence

Further reading

• “divergence” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

English

Etymology

collimate +? -or

Noun

collimator (plural collimators)

1. (physics) An optical device that generates a parallel beam of light. Often used to compensate for laser beam divergence.
2. (physics) A similar device that produces a parallel beam of particles such as neutrons.
3. (astronomy) A small telescope attached to a larger one, used to point it in the correct general direction.

Anagrams

• microatoll, mortal coil