der Radar
radar
A technical device that uses electromagnetic waves to detect the distance, direction, and speed of objects.
EXAMPLE
Der Radar zeigte ein Flugzeug in großer Entfernung an.
The radar detected an aircraft at a great distance.
der Radar
radar
das Radar, die Radare
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Meanings
der Radar
radar
A technical method or system for locating and monitoring objects, for example in traffic, aviation, or weather observation.
EXAMPLE
Das Flugzeug wurde per Radar geortet.
The aircraft was located by radar.
auf dem Radar haben
to have someone/something on one's radar
To consciously notice or observe someone or something, or take them into account in future decisions.
EXAMPLE
Die Personalabteilung hat sie für die neue Stelle auf dem Radar.
The HR department has her on its radar for the new position.
unter dem Radar
under the radar
Without much public attention or unnoticed by others.
EXAMPLE
Die kleine Firma entwickelte unter dem Radar eine erfolgreiche neue Software.
The small company developed successful new software under the radar.
Forms
Forms adapted from the German Wiktionary entry Radar, by Wiktionary contributors, licence CC BY-SA 4.0.
At a glance
| gender | masculine der |
|---|---|
| plural | die Radare |
| genitive | des Radars |
The four cases
| singular | plural | |
|---|---|---|
| nominative | das Radar | die Radare die Radars |
| accusative | das Radar | die Radare die Radars |
| dative | dem Radar | den Radaren den Radars |
| genitive | des Radars | der Radare der Radars |
The article changes with the case; it is shown in colour.
Usage tips
Device or method
With an article and verbs such as 'erfassen' (to detect), 'orten' (to locate), or 'anzeigen' (to display), the device is usually meant. Without an article, especially after 'per' or 'mit', 'Radar' generally refers to the method.
EXAMPLE
Der Radar erfasste ein unbekanntes Schiff vor der Küste.
The radar detected an unknown ship off the coast.
Die Polizei kontrolliert die Geschwindigkeit mit Radar.
The police are checking the speed with radar.
Typical collocations
In the meaning of 'technical device', 'Radar' is often used with verbs such as 'etwas erfassen' (to detect something), 'etwas orten' (to locate something), 'etwas anzeigen' (to display something), or 'etwas erkennen' (to identify something). The located or identified object usually follows.
EXAMPLE
Der Radar ortete ein kleines Boot in der Bucht.
The radar located a small boat in the bay.
Fixed construction
In the expression 'jemanden oder etwas auf dem Radar haben' (to have someone or something on one's radar), the person or thing being noticed is in the accusative case. The expression is often used with 'haben' (to have) or 'behalten' (to keep).
EXAMPLE
Der Verein hat den jungen Torwart schon lange auf dem Radar.
The club has had the young goalkeeper on its radar for a long time.
Fixed expression
'Unter dem Radar' (under the radar) is often used with verbs such as 'bleiben' (to remain), 'arbeiten' (to work), or 'entwickeln' (to develop). The expression describes something happening without public attention.
EXAMPLE
Das Start-up blieb mit seinem ersten Produkt lange unter dem Radar.
The start-up remained under the radar with its first product for a long time.
In real life
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