glide plane: meaning, definition, pronunciation and examples
C2Highly technical/scientific
Quick answer
What does “glide plane” mean?
A crystallographic symmetry operation where an object is reflected across a plane and simultaneously translated parallel to that plane by a fraction of the lattice vector. In other contexts, a surface upon which one object slides smoothly over another.
Audio
Pronunciation
Definition
Meaning and Definition
A crystallographic symmetry operation where an object is reflected across a plane and simultaneously translated parallel to that plane by a fraction of the lattice vector. In other contexts, a surface upon which one object slides smoothly over another.
In materials science and geology, it refers to a specific plane within a crystal lattice along which dislocation motion (slip) occurs easily. More generally, it can describe any smooth, low-friction surface designed for sliding movement.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. The concept is universal in scientific literature. Spelling of related terms may follow regional conventions (e.g., 'centre' vs. 'center' in 'glide plane centre').
Connotations
Purely technical, with no cultural connotations in either variety.
Frequency
Extremely low frequency in general corpora. Its use is confined to specialized academic and technical texts in both regions.
Grammar
How to Use “glide plane” in a Sentence
The [crystal/material] exhibits a glide plane along the [crystallographic direction].Dislocation motion occurs on the {primary/basal} glide plane.The symmetry element is a glide plane with a translation of [vector].Vocabulary
Collocations
Examples
Examples of “glide plane” in a Sentence
verb
British English
- The dislocations primarily glide on the (111) plane.
- At high temperatures, atoms can more easily glide along these planes.
American English
- The dislocations primarily glide on the (111) plane.
- At high temperatures, atoms can more easily glide along these planes.
adjective
British English
- The glide-plane symmetry was confirmed by X-ray diffraction.
- We observed a glide-plane mechanism during deformation.
American English
- The glide-plane symmetry was confirmed by X-ray diffraction.
- We observed a glide-plane mechanism during deformation.
Usage
Meaning in Context
Business
Not used.
Academic
Core term in crystallography, materials science, solid-state physics, and mineralogy. Used to describe crystal symmetry and deformation mechanisms.
Everyday
Virtually never used. Might be misheard as 'glide path' (aviation) or misunderstood completely.
Technical
Precise term in engineering contexts discussing material deformation, tribology (study of friction), or mechanism design involving low-friction sliding.
Vocabulary
Synonyms of “glide plane”
Strong
Neutral
Weak
Vocabulary
Antonyms of “glide plane”
Watch out
Common Mistakes When Using “glide plane”
- Confusing 'glide plane' with 'glide path' (aviation).
- Using it as a verb (e.g., 'the dislocations glide plane').
- Assuming it describes the wing of an aircraft.
FAQ
Frequently Asked Questions
In the context of crystal deformation, they are often used synonymously to describe the plane on which dislocations move. However, 'glide plane' can also refer to the specific symmetry operation in crystallography, which is a more formal concept.
No, it is a highly specialized scientific term. In everyday situations, people would use terms like 'slippery surface', 'slide', or 'low-friction track'.
No, that is a common point of confusion. The 'plane' refers to a geometric plane (a flat surface), not an aircraft. The related aviation term is 'glide path'.
It is fundamental for understanding the mechanical properties of materials (like why metals bend), predicting how crystals will deform under stress, and for classifying the complete symmetry of crystalline structures.
A crystallographic symmetry operation where an object is reflected across a plane and simultaneously translated parallel to that plane by a fraction of the lattice vector. In other contexts, a surface upon which one object slides smoothly over another.
Glide plane is usually highly technical/scientific in register.
Glide plane: in British English it is pronounced /ɡlaɪd pleɪn/, and in American English it is pronounced /ɡlaɪd pleɪn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine an ice skater (the 'object') performing a mirror-image move while sliding sideways across the rink (the 'plane') – that's the reflection + translation of a glide plane.
Conceptual Metaphor
A HIDDEN SLIPWAY: The glide plane is a concealed pathway within a seemingly solid structure that allows internal parts to slide past each other smoothly.
Practice
Quiz
In which field is the term 'glide plane' most precisely defined?