Breakdown of Аквариумный термометр показал двадцать пять.
Questions & Answers about Аквариумный термометр показал двадцать пять.
Аквариумный is an adjective meaning for an aquarium / aquarium-related. Russian often uses adjectives this way where English might use a noun as a modifier.
So:
- аквариум = aquarium
- аквариумный термометр = aquarium thermometer
This is the most natural way to say it in Russian.
Термометр аквариума would sound more like the aquarium’s thermometer, which is possible in some contexts but is less like the standard product-type name.
It comes from the noun аквариум (aquarium) plus the adjective-forming suffix -н- / -ный.
So:
- аквариум = aquarium
- аквариумный = aquarium-related, meant for an aquarium
This is a very common Russian pattern:
- школа → школьный = school / school-related
- зима → зимний = winter / wintry
- кухня → кухонный = kitchen / kitchen-related