四Tetraterm
Chemical engineering · 4 languages
English · Bahasa Indonesia · 繁體中文 · 한국어

Every chemical-engineering term, in four languages.

A precise, source-backed glossary for students and engineers working across borders. Search a term once and see it aligned in all four languages — with the authority behind each translation.

English Bahasa Indonesia 繁體中文 (臺灣) 한국어

Simple pricing

Free to learn. Affordable to go unlimited. Regional pricing keeps it fair everywhere.

Free
$0/ forever
  • A set number of searches every day
  • All four languages
  • Source & verification badges
Unlimited
$3.90/ month*
  • Unlimited searches
  • Flashcards, saved lists & quizzes
  • Citation export

Quick human check

A one-time check keeps the glossary fast and protects it from scraping bots. No account needed.