cf

Reading level: hard

Estimated CEFR level: B2 — Upper-Intermediate

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a radioactive transuranic element; discovered by bombarding curium with alpha particles
  2. noun the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; no cure is known
  3. adverb compare (used in texts to point the reader to another location in the text)

In classic literature

Synonyms

californium, atomic number 98

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