Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun lr

1 sense of lr

Sense 1
lawrencium, Lr, atomic number 103 -- (a radioactive transuranic element synthesized from californium)
       => chemical element, element -- (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)