degree vs mercury

degree

noun
  • A unit of measurement of temperature on any of several scales, such as Celsius or Fahrenheit. 

  • The curvature of a circular arc, expressed as the angle subtended by a fixed length of arc or chord. 

  • A ‘step’ in genealogical descent. 

  • A unit of measurement of latitude and longitude which together identify a location on the Earth's surface. 

  • The dimensionality of a field extension. 

  • Any of the three stages (positive, comparative, superlative) in the comparison of an adjective or an adverb. 

  • The sum of the exponents of a term; the order of a polynomial. 

  • A stage of proficiency or qualification in a course of study, now especially an award bestowed by a university or, in some countries, a college, as a certification of academic achievement. (In the United States, can include secondary schools.) 

  • The number of logical connectives in a formula. 

  • The amount that an entity possesses a certain property; relative intensity, extent. 

  • A stage of rank or privilege; social standing. 

  • The number of edges that a vertex takes part in; a valency. 

  • A step on a set of stairs; the rung of a ladder. 

  • A unit of measurement of angle equal to ¹⁄₃₆₀ of a circle's circumference. 

  • An individual step, or stage, in any process or scale of values. 

mercury

noun
  • Ambient pressure or temperature (from the use of mercury in barometers and thermometers). 

  • One of the elemental principles formerly thought to be present in all metals. 

  • Any plant of any species of the genus and the genus Mercurialis. 

  • The poison oak or poison ivy. 

  • An annual plant, annual mercury (Mercurialis annua), formerly grown for its medicinal properties; French mercury, herb mercury. 

  • A silvery-colored, toxic, metallic chemical element, liquid at room temperature, with atomic number 80 and symbol Hg. 

  • A similar edible plant (Blitum bonus-henricus), otherwise known as English mercury or allgood. 

How often have the words degree and mercury occurred in a corpus of books? (source: Google Ngram Viewer )