These answers separate confirmed product facts from educational guidance and purchasing processes. For current product availability, destination, institutional, or order-specific questions, contact MERDI.
Product and learning
Vitruvian Advance Vocabulary is designed as a structured visual reference. It can support deliberate vocabulary exploration and review, but it is not a complete English course, assessment, dictionary replacement, or guarantee of educational results.
Purchasing and inquiries
Straightforward individual purchases can use the product and cart pathway when the product is available. Larger, institutional, reseller, and complex international requests should use the appropriate inquiry route.
Frequently asked questions
What does MERDI stand for?
MERDI stands for Metalinguistics Research & Development Institute.
What is Vitruvian Advance Vocabulary?
It is MERDI’s structured vocabulary reference and learning system, organizing 13,800 English words across seven categories and 132 chapters in a 737-page Full Version.
Is “Advance Vocabulary” a mistake in the product name?
The registered product name shown by MERDI is “Vitruvian Advance Vocabulary.” In general educational writing, the standard descriptive phrase is “advanced vocabulary.”
Who is the book for?
Potential audiences include advanced English learners, adult learners, college students, international students, teachers, tutors, schools, programs, and libraries. Fit depends on level, goals, and support.
Does the book replace a dictionary or English course?
No. Use reliable dictionaries for definitions, pronunciation, and usage, and use courses or instruction for a complete learning program.
Does MERDI guarantee vocabulary growth or academic results?
No. The resource can support study, but outcomes depend on practice, instruction, context, learner needs, and other factors.
How do I buy the Full Version?
Use the Buy the Book page to review current product information, add an available item to cart, and continue to the BigCommerce-hosted checkout.
How do bulk and institutional orders work?
Submit an inquiry with your organization, estimated quantity, destination, timeline, intended use, and purchasing requirements. An inquiry is not a confirmed order.
How do international orders work?
Use the international-order page when destination, availability, shipping, or purchasing requirements need confirmation before checkout.
Where can I ask a product or program question?
Use MERDI’s contact form or email info@merdicrat.com.