Reference meaning
rarefy
Last updated
lessen the density or solidity of
Other meanings
2. verb
make more subtle or refined
3. verb
weaken the consistency of (a chemical substance)
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 00570383-v, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.