Why is it die Millisekunde?

Millisekunde ends in -e, and most nouns ending in -e are feminine: in a German dictionary, 79% of them take die.

All nouns ending in -e
Sense 1
die

Meaning

[1] A thousandth of a second

[1] eine tausendstel Sekunde

Examples

[1] A thousand milliseconds correspond to one second

[1] Tausend Millisekunden entsprechen einer Sekunde.

[1] "Seven milliseconds have decided over $ 800 million"

[1] „Sieben Millisekunden haben über 800 Millionen Dollar entschieden.“
More source examples (1)

These dictionary examples can include historical and less common uses.

[1] "I think a millisecond too long"

[1] „Ich denke eine Millisekunde zu lange nach.“

Declension

1 Singular Plural
Nominativ die Millisekunde die Millisekunden
Genitiv der Millisekunde der Millisekunden
Dativ der Millisekunde den Millisekunden
Akkusativ die Millisekunde die Millisekunden

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary