4 words in this vocabulary list
adjective describing something that has been made more efficient or simplified
noun a mass of whirling fluid or air, especially a whirlpool or whirlwind
noun a small wing-like structure attached to an aircraft's wingtip to improve aerodynamic efficiency
noun a person who participates in the extreme sport of wingsuit flying, in which a special jumpsuit with fabric between the limbs allows for gliding through the air