angle of slide: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “angle of slide” mean?
The steepest angle from the horizontal at which a granular or bulk material, such as soil or sand, will slide or flow under its own weight.
Audio
Pronunciation
Definition
Meaning and Definition
The steepest angle from the horizontal at which a granular or bulk material, such as soil or sand, will slide or flow under its own weight.
A critical measurement in geology, soil mechanics, and materials science used to determine the flow and stability characteristics of particulate matter. It is synonymous with the 'angle of repose' in many technical contexts.
Dialectal Variation
British vs American Usage
Differences
No significant regional differences in meaning or usage. The term is highly technical and standardized.
Connotations
Technical, precise, scientific. No differing cultural connotations.
Frequency
Extremely low frequency in general discourse. Identical, niche frequency in professional contexts.
Grammar
How to Use “angle of slide” in a Sentence
The angle of slide of [MATERIAL] is [MEASUREMENT].We determined/measured the angle of slide.Vocabulary
Collocations
Usage
Meaning in Context
Business
Rare, except in specific industries like mining, construction, or bulk material logistics, where it relates to storage and transport safety.
Academic
Common in geotechnical engineering, geology, soil science, and physics papers and textbooks.
Everyday
Virtually never used.
Technical
The primary domain. Used in reports, calculations, and safety assessments for slopes, hoppers, silos, and piles of material.
Vocabulary
Synonyms of “angle of slide”
Vocabulary
Antonyms of “angle of slide”
Watch out
Common Mistakes When Using “angle of slide”
- Confusing it with 'angle of incidence' or 'angle of friction'. Using it for cohesive materials like clay, which do not have a simple angle of slide. Using it as a verb phrase (e.g., 'The material angles to slide').
FAQ
Frequently Asked Questions
In most technical contexts, yes, they are synonymous. Both describe the steepest angle a pile of granular material can maintain before sliding.
Yes. It depends on factors like particle size, shape, moisture content, and density of the material.
No. It applies specifically to bulk solids and granular materials. Liquids do not form a stable angle.
It is crucial for safely designing slopes (in mining or construction), storage containers (silos, hoppers), and for understanding the risk of landslides or material flow blockage.
The steepest angle from the horizontal at which a granular or bulk material, such as soil or sand, will slide or flow under its own weight.
Angle of slide is usually technical/scientific in register.
Angle of slide: in British English it is pronounced /ˈæŋɡl əv slaɪd/, and in American English it is pronounced /ˈæŋɡl əv slaɪd/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine a child making a sandcastle. The steepest slope the dry sand can hold before it SLIDES down is its ANGLE OF SLIDE.
Conceptual Metaphor
STABILITY IS A MEASURABLE ANGLE; FLUIDITY/FAILURE IS EXCEEDING A THRESHOLD.
Practice
Quiz
In which field is the term 'angle of slide' most commonly used?