4 Noun 0 Verb 0 Adj. 0 Adv.
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ENreciprocationNoun
EN
The act of making or doing something in return
bn:00066530n Concept
EN
Alternating back-and-forth movement
reciprocating motion
bn:00066531n Concept
English:
motion
EN
Mutual interaction; the activity of reciprocating or exchanging (especially information)
interchangegive-and-take
bn:00040563n Concept
EN
In geometry, a pole and polar are respectively a point and a line that have a unique reciprocal relationship with respect to a given conic section.
pole and polar
bn:01216344n Concept