What context can I use each word in?
Learn when and how to use these words with these examples!
polydispersity
Example
The polydispersity of the nanoparticles was measured using dynamic light scattering. [polydispersity: noun]
Example
The polydispersity index of the sample was high, indicating a wide range of particle sizes. [polydispersity index: noun]
variability
Example
The variability in test scores among the students was quite high. [variability: noun]
Example
The variability of the weather in this region makes it difficult to predict. [variability: noun]
Good things to know
Which word is more common?
Variability is more commonly used than polydispersity in everyday language and can be applied to a wider range of fields. Polydispersity is primarily used in materials science and chemistry.
What’s the difference in the tone of formality between polydispersity and variability?
Polydispersity has a more technical and specialized connotation, making it more formal than variability, which is more versatile and can be used in both formal and informal contexts.