Dialysis Meaning
/daɪˈælɪsɪs/Definition, CEFR level C1, pronunciation, examples, and quiz.
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Definition
nounA method of separating molecules or particles of different sizes by differential diffusion through a semipermeable membrane.
nounThe use of this method for the removal of waste products from the blood in the case of kidney failure: hemodialysis or peritoneal dialysis.
Sentence Examples
He needs a dialysis.
He needs dialysis twice a week.
You can soften dialysis tubing by soaking it in water.
CEFR Practice Quiz
The patient required ____ three times a week to filter his blood.
CEFR Practice Quiz (Alternate)
He needs a ____.
Word Origin & History
From Latin dialysis, from Ancient Greek διάλυσις (diálusis). By surface analysis, dia- + -lysis. First use appears c. 1550.
Literary Quotations & Historical Citations
"An artificial kidney these days still means a refrigerator-sized dialysis machine. Such devices mimic the way real kidneys cleanse blood and eject impurities and surplus water as urine."
— 2013 June 1, “A better waterworks”, in The Economist, volume 407, number 8838, page 5 (Technology Quarterly):
Explore More C1 Vocabulary Words
CEFR Practice Quiz
The patient required ____ three times a week to filter his blood.
CEFR Practice Quiz (Alternate)
He needs a ____.