black-hole
UK[ˈblæk həʊl]US[ˈblæk hoʊl]
n
A region in space where gravity is so strong that nothing, not even light, can escape from it.
n
A place or system where things, such as money or information, disappear completely or are lost.
Morpheme Breakdown
black
hole
black
color
hole
cavity
Etymology
The term 'black-hole' is a modern compound formed from two ancient Germanic roots. 'Black' originates from the Proto-Germanic blakaz, meaning "burned," which evolved through Old English to denote the darkest color, one that absorbs all light. 'Hole' derives from the Proto-Germanic hulą, related to concepts of concealment and hollow spaces. The compound was coined in the mid-20th century by physicist John Archibald Wheeler, though the concept existed earlier. It brilliantly combines the literal imagery—a dark, light-absorbing cavity—with the abstract astrophysical reality of a gravitational singularity from which nothing escapes, creating a powerful and intuitive metaphor for a complex scientific phenomenon.
Analysis
Structure: black (color) + hole (cavity)
black: From Old English blæc, meaning "dark, black." It functions as an adjective describing the quality of the object.
hole: From Old English hol, meaning "cavity, hollow place." It functions as a noun denoting a physical entity.
Examples
Scientists believe a supermassive black-hole exists at the center of our galaxy.
The project's budget became a financial black-hole, consuming all available funds.
Information sent into that bureaucratic system often falls into a black-hole.