spline: meaning, definition, pronunciation and examples
C1/C2Formal / Technical
Quick answer
What does “spline” mean?
A thin, flexible strip of wood, metal, or plastic used in drawing smooth curves, or a similar function in mathematics and computing.
Audio
Pronunciation
Definition
Meaning and Definition
A thin, flexible strip of wood, metal, or plastic used in drawing smooth curves, or a similar function in mathematics and computing.
A long, narrow, typically rectangular key or ridge that fits into a groove to connect two mechanical parts, allowing linear or rotational movement.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or definitional differences. The term is technical and used identically.
Connotations
Purely technical; no regional connotations.
Frequency
Equally rare in general usage in both regions. Slightly more common in specific engineering, manufacturing, and computer graphics contexts where the technical field is prominent.
Grammar
How to Use “spline” in a Sentence
to interpolate [data] using a splineto connect [the shaft] via splinesthe curve was generated by a splineVocabulary
Collocations
Examples
Examples of “spline” in a Sentence
verb
British English
- The draughtsman will spline the points to create a fair hull line.
- The data was splined for a smoother visualisation.
American English
- The software splines the vertices to generate the model's surface.
- We need to spline these keyframes for the animation.
adverb
British English
- [No standard adverbial use. Extremely rare/technical.]
American English
- [No standard adverbial use. Extremely rare/technical.]
adjective
British English
- The spline interpolation produced a superior result.
- A spline coupling was specified for the drive assembly.
American English
- The spline function is defined piecewise.
- Check the spline shaft for wear.
Usage
Meaning in Context
Business
Rare. Might appear in technical sales, manufacturing, or software specifications.
Academic
Common in mathematics (numerical analysis), computer science (graphics, CAD), and engineering (mechanical design) papers.
Everyday
Extremely rare. Unlikely to be used outside of specific hobbies like woodworking or technical discussions.
Technical
Primary domain. Used precisely in mechanical engineering, computer-aided design (CAD), computer graphics, and data modelling.
Watch out
Common Mistakes When Using “spline”
- Mispronouncing as /splɪn/ (like 'spin'). Correct is /splaɪn/.
- Using it as a general synonym for 'line' or 'curve'. It implies a specific technical method of creating smoothness.
FAQ
Frequently Asked Questions
No, it is a specialised technical term used primarily in engineering, mathematics, and computer graphics.
Both are used for smooth curves. A Bézier curve is defined by control points and is a specific type of parametric curve. A spline (e.g., a B-spline) is often a piecewise connection of simpler polynomial curves, offering more local control. In casual CG talk, they are sometimes conflated.
Yes, in technical contexts (especially computing/CAD), it means to fit or generate a curve using spline functions (e.g., 'The points were splined').
It originates from the flexible wood or metal strips (splines) used by shipbuilders and draftsmen to draw smooth curves, which physically bent like a thin piece of material.
A thin, flexible strip of wood, metal, or plastic used in drawing smooth curves, or a similar function in mathematics and computing.
Spline is usually formal / technical in register.
Spline: in British English it is pronounced /splaɪn/, and in American English it is pronounced /splaɪn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms for this technical term]”
Learning
Memory Aids
Mnemonic
Think of a 'spine' that is 'flexible' — a spline is like a flexible backbone for creating smooth curves.
Conceptual Metaphor
A PATH or ROAD that is artificially made perfectly smooth.
Practice
Quiz
In a mechanical context, what is a primary function of a spline?