
1) Chemical process 2) Gastric acid problem 3) Industrial process 4) Pathology 5) The outward flow of the tide
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https://www.crosswordclues.com/clue/reflux

1) Ebb 2) Recoil
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https://www.crosswordclues.com/clue/reflux

- an abnormal backward flow of body fluids
- the outward flow of the tide
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an ebb; boiling using a condenser to avoid liquid loss
Found on
http://phrontistery.info/r.html

• (a.) Returning, or flowing back; reflex; as, reflux action. • (n.) A flowing back, as the return of a fluid; ebb; reaction; as, the flux and reflux of the tides.
Found on
http://thinkexist.com/dictionary/meaning/reflux/

(re- + L. fluxus flow) a backward or return flow.
Found on
http://users.ugent.be/~rvdstich/eugloss/DIC/dictio75.html

(from the article `petroleum refining`) ...fractionating column pressure at the desired figure, usually near atmospheric pressure (about 1 kilogram per square centimetre, or 15 pounds per ...
Found on
http://www.britannica.com/eb/a-z/r/26

(from the article `sedimentary rock`) ...of calcium-rich evaporite minerals like gypsum and anhydrite. These magnesium-rich brines then tend to be flushed downward owing to their high ...
Found on
http://www.britannica.com/eb/a-z/r/26

The backward flow of liquid from the stomach into the esophagus.
Found on
http://www.cancer.gov/dictionary?expand=R

a backward flow of food to the mouth from the gullet or stomach
Found on
http://www.encyclo.co.uk/local/20575

Backwash, for example, of stomach contents into the oesophagus causing heartburn.
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http://www.encyclo.co.uk/local/20896

A backward or return flow. ... Origin: L. Fluxus = flow ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973

(re´flәks) a backward or return flow; see also backflow and regurgitation (def. 1). esophageal reflux , gastroesophageal reflux reflux of the stomach contents into the esophagus; see gastroesophageal reflux disease. hepatojugular reflux ...
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http://www.encyclo.co.uk/local/21001
Re'flux` adjective Returning, or flowing back; reflex; as,
reflux action.
Found on
http://www.encyclo.co.uk/webster/R/36
Re'flux` noun [ French
reflux . See
Refluent ,
Flux .] A flowing back, as the return of a fluid; ebb; reaction; as, the flux and
reflux of the tides. « All from me Shall with a fierce
reflux on me redound.»
Milton. Found on
http://www.encyclo.co.uk/webster/R/36

Reflux: The term used when liquid backs up into the esophagus from the stomach.
Found on
http://www.medterms.com/script/main/art.asp?articlekey=5269

moving backward in the esophagus
Found on
http://www.ruf.rice.edu/~kemmer/Words04/usage/jargon_medical.html

Backward flow.
Found on
http://www.thehorse.com/Glossary.xhtml?L=R

Reflux is when vapours gather in the neck and head of a still and condense back into a liquid before returning down the sides of the still collecting back in the main pot. It’s this process and the contact with the inside of the still, and neck, which is almost always copper, that helps strip out some of the less desirable elements in the distill...
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https://thegincooperative.com/the-complete-glossary-of-scottish-gin/

The cooling of vapours causing them to condense and turn into liquid form. This happens inside the still during distillation. The condensed liquid falls back down into the body of the still and is re-distilled. Bruichladdich’s tall narrow necked stills causes more reflux to take place as the vapours have to travel up a steeper incline.
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https://www.bruichladdich.com/bruichladdich-whisky-news/making-whisky/gloss
noun an abnormal backward flow of body fluids
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https://www.encyclo.co.uk/local/20974

During distillation some of the heavier flavours with comparatively high boiling points condense from vapour back into liquid form before leaving the still and are redistilled. This is known as reflux, and the greater the degree of reflux the lighter and 'cleaner' the spirit produced. Short, squat stills produce little reflux, compared to tall, sle...
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https://www.encyclo.co.uk/local/21396

Also referred to as regurgitation, this is a condition wherein small amounts of the contents of the stomach, or gastric juices, return into the esophagus, and even into the mouth.
Found on
https://www.encyclo.co.uk/local/22233

digestive juices, food, and liquids moving backward from the stomach into the esophagus, and possibly into the mouth.
Found on
https://www.stanfordchildrens.org/en/topic/default?id=glossary---digestive-

Alcohol condensed in a still early on before passing into the condenser.
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https://www.whisky.com/information/knowledge/about-whisky/whisky-glossary.h
No exact match found.