Irrelative chords in music are those having no common tone.

This house is made of brick.

Aaron's use of Black vernacular was a constant source of humor and annoyance for Black and NBPOC staff, and even for the white native San Franciscans.

The following passage, which is exquisitely pithy and exquisitely modest, winds up the description:- In this apparatus there is nothing new but its simplicity and thorough trustworthiness.