Singularity
A point in space-time at which the laws of physics, as we know them, break down, such as the center of a black hole or the initial state of the universe in the Big Bang theory.
In mathematics, a singularity is a point where a function or equation becomes undefined or infinite. In physics, it represents a region where density and spacetime curvature become infinite, posing a challenge to current theories.
Word family
- singular (adjective): Unique; remarkable; referring to a single instance.
Collocations
- gravitational singularity
- naked singularity
- cosmic singularity
- spacetime singularity
Example sentences
- "At the heart of every black hole lies a singularity, a point of infinite density where the known laws of physics cease to apply." Discussing the center of a black hole.
- "The Big Bang theory posits that the universe originated from an initial cosmic singularity." Referring to the Big Bang.
Memory hook
Think 'SINGLE' point where everything breaks down. It's a unique, singular point. Unique Point
When not to use
Do not use 'singularity' to mean simply 'unique' or 'unusual'. It has a very specific technical meaning in physics and mathematics. Avoid using it casually.
Fun facts
- The concept of a singularity is a prediction of Einstein's theory of general relativity, but it also highlights where the theory might break down and need to be unified with quantum mechanics.
- There's a hypothetical concept of a 'naked singularity' – one not hidden behind an event horizon – but their existence is highly debated.
Related words
Explore more words
Our English vocabulary app: FSRS spaced repetition, 5,000+ curated words across 119 topic groups, CEFR A1 to C2. Explore your mastery with the beautiful Vocabulary World feature.