applanation
[ˌæp.lə.ˈneɪ.ʃən]
nounpl: applanations
🇧🇷 aplanação
1. The act or process of flattening or making flat, particularly in medical/scientific contexts such as flattening of the cornea during eye pressure measurement
Applanation tonometry measures intraocular pressure by flattening the cornea.
A tonometria de aplanação mede a pressão intraocular ao achatar a córnea.
2. In geology and geomorphology, the process by which landforms become flattened or leveled through erosion
The applanation of the mountain range occurred over millions of years.
A aplanação da cordilheira montanhosa ocorreu ao longo de milhões de anos.
💡 This term is primarily used in specialized medical and scientific contexts, particularly in ophthalmology (applanation tonometry is a standard eye pressure test) and geology. It is not commonly used in everyday Portuguese or English conversation. The term maintains the same technical meaning across Brazil and Portugal, with usage primarily restricted to academic and healthcare professionals.
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