Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
The energy that is lost due to standby electronic activity of equipment that is "off", on standby or sleep mode.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Qualifier: energy efficiency
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A category of dark energy, where dark energy is not fixed in amount nor in density, and continuously increases over time.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: astronomy, astrophysics, cosmology, natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From phantom + energy.
Coined by physicist Robert R. Caldwell in 1998, in reference to the Star Wars movie The Phantom Menace, in his paper "A Phantom Menace? Cosmological consequences of a dark energy component with super-negative equation of state" referring to the "phantom energy menace" that would lead to the Big Rip.
