different between recurrence vs reciprocation

English

Etymology

recurrent +? -ence, cognate with Latin recurrentia, from recurr?ns (“returning back, recurring”), form of recurr? (“I return, I recur”) (English recur).

Noun

recurrence (countable and uncountable, plural recurrences)

1. Return or reversion to a certain state.
2. The instance of recurring; frequent occurrence.
   • I. Taylor

     I shall insensibly go on from a rare to a frequent recurrence to the dangerous preparations.

3. A return of symptoms as part of the natural progress of a disease.
4. Recourse.

Synonyms

• (instance of recurring): reoccurrence; see also Thesaurus:reoccurrence

Hyponyms

• recrudescence
• reemergence
• resurgence

Related terms

• recur
• recurrent
• recursive
• recursivity
• recursion

Translations

References

• Douglas Harper (2001–2021) , “recurrence”, in Online Etymology Dictionary

English

Etymology

reciprocate +? -ion

Pronunciation

• Rhymes: -e???n

Noun

reciprocation (countable and uncountable, plural reciprocations)

1. The act of reciprocating; interchange of acts; a mutual giving and returning

2. Alternate recurrence or action; as, the reciprocation of the sea in the flow and ebb of tides; oscillation.
   • 1662 Thomas Salusbury, Galileo's Dialogue Concerning the Two Chief World Systems, Dialogue 2:

     ... the same pendulum alwayes maketh its reciprocations in equall times.

Translations

See also

• requital
• retaliation

References

• reciprocation in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• reciprocation in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• John A. Simpson and Edward S. C. Weiner, editors (1989) , “reciprocation”, in The Oxford English Dictionary, 2nd edition, Oxford: Clarendon Press, ?ISBN