かんげん還元kangen
1.

The process of returning something to its original state or condition, often used in the context of benefits or rewards that are provided back to society after being acquired from it.

2.

A chemical reaction in which a substance loses oxygen or gains hydrogen, leading to a reduction in oxidation state and often associated with the gain of electrons by atoms or molecules.

3.

The philosophical practice of simplifying complex phenomena by re-framing them in terms of foundational principles or essential truths, allowing for a clearer understanding of the underlying issues.

Example:

ゲイツ会長、広告収入をユーザーに還元する意向表明。

かんげんとう還元糖kangentou
1.

A category of sugars that can donate electrons in chemical reactions, thereby exhibiting reducing properties, including monosaccharides like glucose and certain disaccharides such as maltose, but excluding non-reducing disaccharides like sucrose.

2.

Sugars characterized by their ability to undergo reduction, which can be tested through reactions with specific chemical solutions, often used in laboratory settings for identifying various types of sugars.

3.

Sugars that possess a free aldehyde or ketone group, allowing them to participate in redox reactions, thus playing a crucial role in various biochemical processes.