> as lemmas

1839 Penny Cycl. XIV. 324/1 Organs of respiration and shell non-symmetrical.

1843 N. Amer. Rev. Apr. 355 There was always distinct evidence of an electric current, when two non-symmetrical points of either surface were touched.

1913 L. Silberstein Vectorial Mech. v. 96 The decomposition of the general operator into a symmetrical and a non-symmetrical part.

1955 H. Leblanc Introd. Deductive Logic 188 A relation R is said to be non-symmetrical in a class A if it is neither symmetrical nor asymmetrical in A.

1986 Electronic Musician May 11/3 Conventional magnetic structures utilize non-symmetrical magnetic fields, which add significantly to distortion.

2003 M. Popescu et al. Appl. Hydraul. Transients iii. 71 The effect of non-symmetrical hydraulic resistance on the extreme pressures inside a pumping installation protected by an air chamber.