hypocycloid three cuspshypocycloid with four cuspshypoelliptic operatorhypograph hyperplanehypoid bevel gearhypotenusehypothesishypothesis of equalityhypothesis of no differencehypothesis testinghypothetichypothetic propositionhypotheticalhypothetical eventhypothetical imperativehypothetical syllogismhypotrochoid
