One and a half parts of anything that may be divided, or considered as divided.
One-and-a-half Sentence Examples
The man she just passed was a foot taller than Romas and one and a half times as wide.
He was bigger than Brady by a head and one and a half times as wide.
The south pavilion of the present house is the original brick building, one and a half storeys high, first occupied by Jefferson in 1770.
One other instance may be given; the equation 2NH3=N2+3H2 represents the decomposition of ammonia gas into nitrogen and hydrogen gases by the electric spark, and it not only conveys the information that a certain relative weight of ammonia, consisting of certain relative weights of hydrogen and nitrogen, is broken up into certain relative weights of hydrogen and nitrogen, but also that the nitrogen will be contained in half the space which contained the ammonia, and that the volume of the hydrogen will be one and a half times as great as that of the original ammonia, so that in the decomposition of ammonia the volume becomes doubled.
Thus the French survey commission of 1828 fixed the proportion of black to white at one and a half times the angle of slope; while in Austria, where steep mountains constitute an important feature, solid black has been reserved for a slope of 80°, the proportion of black to white varying from 80:o (for 50) to 8: 72 (for 5°).