Assertion: technical symbol | /r/CapableOf | make alternating
Facets:
Source sentences:
text: They serve partly to codify and partly to indicate, abbreviate, and make intelligible the various mathematical (e.g., =, equality; ≡, identity; ∼, similarity; ‖, parallel; or <, less than), physical (e.g., ∼, alternating current), biological (e.g., ♂, male; ♀, female), and other scientific and technical relationships and functions.