treatise
noun
[ ˈtriːtɪs ]
• a written work dealing formally and systematically with a subject.
• "his treatise on Scottish political theory"
Similar:
disquisition,
essay,
paper,
work,
piece of writing,
exposition,
discourse,
dissertation,
thesis,
monograph,
study,
critique,
tract,
pamphlet,
tractate,
institutes,
Origin:
late Middle English: from Anglo-Norman French tretis, from Old French traitier (see treat).