Why is it der Druckmesser?

Druckmesser ends in -er, and most nouns ending in -er are masculine: in a German dictionary, 86% of them take der.

All nouns ending in -er
Sense 1
der

Meaning

[1] measurement technology: measuring device that measures the pressure in liquids or gases

[1] Messtechnik: Messgerät, das den Druck in Flüssigkeiten oder Gasen misst

Examples

[1]

[1]

Declension

1 Singular Plural
Nominativ der Druckmesser die Druckmesser
Genitiv des Druckmessers der Druckmesser
Dativ dem Druckmesser den Druckmessern
Akkusativ den Druckmesser die Druckmesser

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary