You know what it looks like… but what is it called?
TAKE THE QUIZbiofiltration
noun
bio·filtration
¦bī(ˌ)ō +
: the process of treating sewage by passing it through a biofilter
Love words? Need even more definitions?
Merriam-Webster unabridged
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- Often used to describe “the march of time,” what does inexorable mean?


Can you make 12 words with 7 letters?
PLAY
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