perpetual motion
The motion of some hypothetical device that continues forever with no external input…The motion of some hypothetical device that continues forever with no external input of energy, in violation of the laws of thermodynamics.
» Tom invented a perpetual motion machine.
Том изобрёл вечный двигатель.
Meaning
1 senses(uncountable)The motion of some hypothetical device that continues forever with no external input of energy, in violation of the laws of thermodynamics.
ве́чное движе́ниеvéčnoje dvižénije
motion that continues indefinitely without any external source of energy; impossible in practice because of friction
Examples
5 sentencesTom invented a perpetual motion machine.
ruТом изобрёл вечный двигатель. — Wezel
Tom thinks he has invented a perpetual motion machine.
ruТом думает, что он изобрёл вечный двигатель. — odexed
Tom claims to have invented a perpetual motion machine.
ruТом утверждает, что изобрёл вечный двигатель. — Wezel
deTom behauptet, ein Perpetuum mobile erfunden zu haben. — Pfirsichbaeumchen
The idea of perpetual motion is an absurd hypothesis.
Davy Keith seemed to be possessed with a passion for perpetual motion. It was beyond Marilla's power to make him sit still.
Translations
3 languagesBy meaning 1
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable