isotopy

Back when I was a professor of stable isotopy, I would list letters I had published in newspapers on my bio-bibliography, which I had to submit when being considered for promotion.

The Volokh Conspiracy » Rethinking Blogging-as-Scholarship 2009

At that moment - just when the danger seemed to be greatest that the well-ordered regularity should be succeeded by an unintelligible chaos there appeared an eminent English scientist with the redeeming word isotopy.

Nobel Prize in Chemistry 1921 - Presentation Speech 1966

As we have just seen, the conception of isotopy has mainly developed out of our knowledge of the radioactive elements, their coming into existence, their transformation, and their other relations.

Nobel Prize in Chemistry 1922 - Presentation Speech 1966

Every isotopy can be constructed out of these moves.

Planet Haskell 2008

26Badash alone refers to an amazingly rich traffic of materials in 1913 when the concept of isotopy was at stake.

Trafficking Materials and Gendered Experimental Practices: Radium Research in Early 20th Century Vienna 2007

33The concept of isotopy and the displacement laws put forward by Soddy and Fajans in 1913 completed the disintegration of the traditional notion of an element and of chemistry as well.

Trafficking Materials and Gendered Experimental Practices: Radium Research in Early 20th Century Vienna 2007