flatness
B1Pronunciation
UK
- /flˈætnəs/
US
- /ˈflætnəs/
Meanings
Noun
the quality of being level, smooth, or not curved
a lack of energy, emotion, variety, or expressiveness
the quality of being below the intended musical pitch
More meaningsFewer meanings
a technical property of geometric or mathematical objects being flat
Beyond the definition
Flatness isn't just about pancakes! It describes the quality of being smooth and level, without bumps, curves, or changes in height. Think of a calm lake reflecting the sky. But it can also be more abstract. A flat tire has lost its proper round shape, creating an unwanted kind of flatness. Sometimes, "flatness" refers to a lack of depth or feeling, like a character in a story who seems dull or lifeless.
You might describe a tabletop as having excellent flatness, meaning it's perfectly even. Or you could say a landscape seems flat from far away, even though it has small dips and rises. The term is often used in technical work too; engineers care deeply about the flatness of surfaces for precise measurements and construction.
Flatness describes the state of being level, smooth, and lacking curvature or significant variation in height. It's a quality we perceive visually and can measure precisely. Think of a perfectly ironed shirt, a calm sea, or the surface of a well-maintained road—all examples of flatness.
However, "flatness" isn't always about physical surfaces. We use it metaphorically to describe things lacking depth, complexity, or emotional resonance. A "flat" character in literature is one who lacks personality and development, while a "flat" joke doesn't elicit much laughter because it falls short of being engaging. In clinical settings, a "flat affect" describes a lack of visible emotion in a person's facial expressions or tone of voice.
In technical fields like engineering, manufacturing, and surveying, flatness is a crucial measurement. Ensuring the flatness of surfaces is vital for precision in everything from building foundations to the fabrication of computer chips. Specialized instruments, such as "surface plates," are designed specifically to provide an extremely flat reference surface for such work.
The concept extends beyond three-dimensional objects. "Flatness" can also describe a lack of variation in data; for instance, a "flat line" on a graph indicates no change over a period of time. So, whether you're describing the smoothness of a table, the emotional depth of a story, or the stability of a scientific measurement, flatness speaks to a quality of evenness and the absence of significant deviation.
Examples
- 1
Landscape
From the train window, we watched the flatness of the fields go on for miles.
- 2
Voice tone
The flatness of his voice made it impossible to tell whether he was serious.
- 3
Music pitch
There was a slight flatness to the singer's last note.
- Domain
in music, a flat note is a little too low
- 4
Photography
The photographer changed the lighting to avoid flatness in the final image.
More examplesFewer examples
- 5
Character writing
Many readers complain about the flatness of the main character.
See also
Similar
- evenness
- levelness
Shades of meaning
- planarity
- smoothness
Contrast
Used with (collocations)
- surface flatness
- flatness tolerance
- degree of flatness
Word family
Explore
- surface geometry
- parallelism
Forms and spellings
2 forms open this card.
Main spelling
- flatnessnoun
Forms
- flatnessespluralnoun