Pronunciation: /dɑrk ˈɛnərdʒi/
noun a form of energy that is hypothesized to permeate all of space and accelerate the expansion of the universe
A1 Dark energy is a mysterious force that scientists believe is causing the universe to expand at an accelerating rate.
A2 Scientists are still trying to understand the nature of dark energy and its role in the evolution of the cosmos.
B1 Recent research suggests that dark energy makes up about 68% of the total energy content of the universe.
B2 The discovery of dark energy in the late 1990s revolutionized our understanding of the universe's composition and behavior.
C1 The concept of dark energy challenges traditional theories of gravity and cosmology, leading to new avenues of research and exploration.
C2 Advanced telescopes and observational techniques have allowed scientists to study the effects of dark energy on the large-scale structure of the universe with unprecedented precision.
adjective describing the type of energy as being dark or mysterious in nature
A1 The room was dark energy, making it difficult to see.
A2 She felt a sense of unease in the dark energy atmosphere of the forest.
B1 The painting had a mysterious quality, almost like it was imbued with dark energy.
B2 The scientist theorized that the universe was expanding due to the presence of dark energy.
C1 The novel explored the concept of dark energy and its implications for the future of the universe.
C2 The research team conducted experiments to better understand the properties of dark energy.
formal Dark energy is a hypothetical form of energy that is proposed to permeate all of space, causing the universe to expand at an accelerating rate.
informal Scientists are still trying to understand this mysterious dark energy that seems to be pushing the universe apart.
slang I heard that dark energy is like the force in Star Wars, but in real life.
figurative The dark energy in the room was palpable, creating a tense and uneasy atmosphere.
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