aspect

In astrology terms the difference between aspect and sesquiquadrate

is that aspect is the relative position of heavenly bodies as they appear to an observer on earth; the angular relationship between points in a horoscope while sesquiquadrate is of or noting the aspect or position of any two celestial bodies separated by 135°.

As nouns the difference between aspect and sesquiquadrate

is that aspect is the way something appears when viewed from a certain direction or perspective while sesquiquadrate is a sesquiquadrate aspect or position.

As an adjective sesquiquadrate is

of or noting the aspect or position of any two celestial bodies separated by 135°.