pteroylaspartic en · NOUN
Etymology
From pteroyl + aspartic.
Meanings
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(uncountable) Designating an antimetabolite acid used in treating cancers.
On September 6, 1947, Farber began to inject Sandler with pteroylaspartic acid or PAA, the first of Lederle's antifolates.
2011, Siddhartha Mukherjee, The Emperor of all Maladies, Fourth Estate, page 33: