rarefaction
pronunciation
How to pronounce rarefaction in British English:
UK [ˌreərɪ'fækʃn]
How to pronounce rarefaction in American English:
US [ˌrɛrəˈfækʃən]
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- Noun:
- a decrease in the density of something
Word Origin
- rarefaction (n.)
- c. 1600, from Middle French raréfaction or directly from Medieval Latin rarefactionem (nominative rarefactio), noun of action from past participle stem of Latin rarefacere (see rarefy). Used chiefly in reference to gases.
Example
- 1. This is called a rarefaction and is represented by widely spaced dots .
- 2. Clinical observation of diabetes type 2 followed by rarefaction of bone .
- 3. Spermatophyte flora ; phylogenetic diversity ; latitude gradient pattern ; rarefaction analysis .
- 4. Hypertensive retinopathy ; apoptosis ; capillary ; microvascular rarefaction .
- 5. Clinical observation on treating 102 cases of ankylosing spondylitis complicated with bone rarefaction and osteopenia with bushen qiangdu fang .