Difference between Reduces and Boil Down

REDUCES vs BOIL DOWN: NOUN

A substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the slackened silver
Pipefitting that joins two pipes of different diameter

Narrow or limit
Cook until very little liquid is left
Be the essential element
Lessen and make more modest
Make smaller
Make less complex
Bring to humbler or weaker state or condition
Cut down on; make a reduction in
Take off weight
Reposition (a broken bone after surgery) back to its normal site
Undergo meiosis
Lower in grade or rank or force somebody into an undignified situation
Simplify the form of a mathematical equation of expression by substituting one term for another
Reduce in size; reduce physically
To remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons
Lessen the strength or flavor of a solution or mixture
Put down by force or intimidation
Reduce in scope while retaining essential elements
Third-person singular simple present indicative form of reduce.
Be cooked until very little liquid is left

Be cooked until very little liquid is left
Cook until very little liquid is left
Be the essential element
To become reduced (to the most central elements or ingredients: to the essence, core, or implication for action).
Used other than as an idiom: see boil,‎ down.

Slim, Abbreviate, Subdue, Concentrate, Slenderize, Foreshorten, Repress, Quash, Tighten, Dilute, Trim, Simplify, Shrink, Cut, Shorten

Overboil, Fractionalize, Redistillation, Boil, Coction, Bullition, Dephlegmation, Condense, Distillable, Distillment, Redistill, Decoct, Come down, Concentrate, Reduce

Thin, Subjugate, Abridge, Slim, Abbreviate, Subdue, Foreshorten, Quash, Tighten, Dilute, Trim, Simplify, Shrink, Cut, Shorten

Edulcorative, Elixation, Carnin, Overboil, Fractionalize, Redistillation, Boil, Bullition, Dephlegmation, Condense, Distillable, Distillment, Redistill, Decoct, Reduce

This Excess Withdrawal reduces the Reference Value in the same proportion as it reduces the Contract Value.
This reduces the amount of heat absorbed into the building, so reduces energy needed to cool the building.
It reduces the amount of time for interest to compound, which reduces the total mortgage balance over time, Henninger says.
Current support reduces only if the language in the order specifies that it reduces when one of the children emancipates.
This also reduces blood circulation, reduces sebum production and depletes the lipid layer so the body loses natural oil.
This filter effectively reduces the amount of reflection that reaches the eye, and so reduces glare.
Instead, they proposed the government reduces its current spending and reduces the budget assigned to agencies.
Using the anaerobic digester reduces area truck trips substantially and reduces waste costs by millions of dollars.
This reduces the need for new or additional infrastructure and reduces costs across all levels.
Increased poverty reduces human capital and often creates political instability that reduces investment.