hexadecile UK /ˈhɛksəˌdɛsaɪɫ/US /ˈhɛksəˌdɛsəl/adjective 2noun 2forms 1 adjective2 •Of or relating to a hexadecile. •(no longer used) Of or denoting a hexadecile aspect. noun2 •Any of the quantiles which divide an ordered sample population into sixteen equally numerous subsets; a subset thus obtained.The assessor can then be asked to successively divide an interval into equally likely segments yielding the octiles (X_(.125), X_(.875)), hexadeciles (X_(.0625), X_(.9375)), etc., etc. — 1974 •(no longer used) The aspect or position of any two celestial bodies separated by 22.5° (that is, 360° divided by 16) as they appear to an observer on earth. formshexadeciles
