two people who regularly associate with each other or live together
an engaged couple
2. (functioning as singular or plural)
two people considered as a pair, for or as if for dancing, games, etc
3. mainly hunting
a.
a pair of collars joined by a leash, used to attach hounds to one another
b.
two hounds joined in this way
c.
the unit of reckoning for hounds in a pack
twenty and a half couple
4.
a pair of equal and opposite parallel forces that have a tendency to produce rotation with a torque or turning moment equal to the product of either force and the perpendicular distance between them
5. physics
a.
two dissimilar metals, alloys, or semiconductors in electrical contact, across which a voltage develops
thermocouple
b. Also called: galvanic couple
two dissimilar metals or alloys in electrical contact that when immersed in an electrolyte act as the electrodes of an electrolytic cell
6.
a connector or link between two members, such as a tie connecting a pair of rafters in a roof
7. a couple of
pronoun
8. (usually preceded by a; functioning as singular or plural)
two; a pair
give him a couple
verb
9. (transitive)
to connect (two things) together or to connect (one thing) to (another)
to couple railway carriages
10. (transitive)
to do (two things) simultaneously or alternately
he couples studying with teaching
11.
to form or be formed into a pair or pairs
12.
to associate, put, or connect together
history is coupled with sociology
13.
to link (two circuits) by electromagnetic induction
14. (intransitive)
to have sexual intercourse
15.
to join or be joined in marriage; marry
16. (transitive)
to attach (two hounds to each other)
Word origin
C13: from Old French: a pair, from Latin cōpula a bond; see copula
Examples of 'galvanic couple' in a sentence
galvanic couple
The morphological study indicated molybdate deposition on the anodic sites of the galvanic couple.
Irene Carrillo, Benjamín Valdez, Roumen Zlatev, Margarita Stoycheva, Michael Schorr,Mónica Carrillo 2011, 'Corrosion Inhibition of the Galvanic Couple Copper-Carbon Steel in Reverse OsmosisWater', International Journal of Corrosionhttp://dx.doi.org/10.1155/2011/856415. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Molybdate and nitrite salts were utilized to evaluate the inhibition behaviour under galvanic couple conditions.
Irene Carrillo, Benjamín Valdez, Roumen Zlatev, Margarita Stoycheva, Michael Schorr,Mónica Carrillo 2011, 'Corrosion Inhibition of the Galvanic Couple Copper-Carbon Steel in Reverse OsmosisWater', International Journal of Corrosionhttp://dx.doi.org/10.1155/2011/856415. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Implant devices were designed to replicate a clinical situation where dissimilar metals can form a galvanic couple.
DM Devine, M Leitner, SM Perren, LP Boure, SG Pearce 2009, 'Tissue reaction to implants of different metals: A study using guide wires in cannulatedscrews', European Cells & Materialshttp://www.ecmjournal.org/journal/papers/vol018/pdf/v018a04.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In this galvanic couple the bare steel serves as the cathode and the steel under the deposit as the anode.
Hongwei Liu, Xiankang Zhong, Hongfang Liu, Y. Frank Cheng 2018, 'Microbiologically-enhanced galvanic corrosion of the steel beneath a deposit in simulatedoilfield-produced water containing Desulfotomaculum nigrificans', Electrochemistry Communicationshttp://www.sciencedirect.com/science/article/pii/S1388248118300547. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)