A decrease in nozzle exit pressure when airflow is too low.
Etymology from Arabic 'faqir' (poor ascetic). The term reflects Orientalist appropriation of non-Western religious practices; Western aviation repurposed it without acknowledging origin or the dismissive connotations of exoticizing non-Western knowledge systems, which were disproportionately attributed to male scholars.
Use neutral descriptor 'temperature-rise effect' or 'adiabatic heating phenomenon.' If historical reference needed, note the Arabic origin respectfully and avoid stereotyping.
["adiabatic heating effect","temperature-rise phenomenon"]
Many foundational aerodynamic principles emerged from global scholars, including women and non-Western contributors whose work was erased through selective Orientalist naming conventions.
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