Associations to the word «Rarefaction»
Noun
Verb
Wiktionary
RAREFACTION, noun. A reduction in the density of a material, especially that of a fluid
Dictionary definition
RAREFACTION, noun. A decrease in the density of something; "a sound wave causes periodic rarefactions in its medium".
Wise words
Every day we should hear at least one little song, read one
good poem, see one exquisite picture, and, if possible,
speak a few sensible words.