excretion / elimination / precipitation
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excretion
The biological process by which an organism removes waste or harmful substances from the body. It also refers to the substances excreted themselves, such as urine or feces.
Eine gesunde Niere ist wichtig für die Ausscheidung von Giftstoffen.
A healthy kidney is important for the excretion of toxins.
elimination
Being eliminated from a competition or selection round because one has lost or does not meet the criteria.
Nach der knappen Niederlage droht der Mannschaft die Ausscheidung aus dem Turnier.
After the narrow defeat, the team is facing elimination from the tournament.
precipitation
In chemistry, the process by which a solid substance separates out from a liquid or gas.
Durch die chemische Reaktion kam es zur Ausscheidung eines weißen Pulvers.
The chemical reaction led to the precipitation of a white powder.
The noun 'die Ausscheidung' (excretion/elimination/precipitation) comes from the separable verb 'ausscheiden' (to excrete/to be eliminated/to separate out). It literally means that something is separated out of a group or system. This logic applies to all meanings: in sports, biology, and chemistry.
Der Sportler schied nach einer Verletzung aus dem Wettbewerb aus.
The athlete was eliminated from the competition after an injury.
You can recognize the meaning from the context. If it is about sports, a tournament, or a competition, it means elimination from a contest. In medical or biological texts, it is about bodily functions. In chemistry, it refers to substances separating out from a solution.
Die Ausscheidung aus der Champions League war eine große Enttäuschung.
Elimination from the Champions League was a major disappointment.
In a biological context, 'Ausscheidung' (excretion) is a rather formal medical term. It is used mainly in factual or scientific texts.
Der Arzt erklärte den Prozess der Ausscheidung von Medikamentenresten.
The doctor explained the process of excreting medication residues.
In a sports context, 'Ausscheidung' (elimination) is often used with prepositions such as 'aus' (from) or 'in' (in). Typical phrases are 'die Ausscheidung aus dem Turnier' (elimination from the tournament), 'die Ausscheidung in der Vorrunde' (elimination in the preliminary round), or 'die Ausscheidung verhindern' (to prevent elimination).
Die Mannschaft konnte die frühe Ausscheidung aus dem Pokal nicht verhindern.
The team could not prevent early elimination from the cup.
eradication
Ausrottung and Ausscheidung can both be associated with removing things that are biologically harmful, but they refer to different processes. Ausrottung is the complete elimination of a disease or group of living beings; Ausscheidung is the removal of waste or harmful substances from a body.
Die Nieren sorgen für die Ausscheidung der Schadstoffe aus dem Körper.
The kidneys are responsible for excreting harmful substances from the body.
Die weltweite Impfung soll zur Ausrottung der Krankheit führen.
The worldwide vaccination campaign is intended to lead to the eradication of the disease.
