dialysis
dialysis — noun
1. medical treatment that cleans waste from a person's blood and keeps fluid and sa
medical treatment that cleans waste from a person's blood and keeps fluid and salt levels steady when the kidneys can no longer do this job well enough
After both kidneys failed, Eli started dialysis three evenings a week.
collocation: start dialysis
The nurse checked Tariq's blood pressure before dialysis began this morning.
pattern: before dialysis began
Dialysis kept Yuki strong enough to attend her son's graduation.
Without regular dialysis, Christopher's body would quickly fill with dangerous waste.
- hemodialysis
the common machine-based type in which blood is cleaned outside the body
- renal replacement therapy
formal umbrella term covering dialysis and other ways of doing the kidneys' job
文法句型
start dialysis
have dialysis
be on dialysis
need dialysis
用法筆記
Most often heard in talk about kidney failure. Patients usually 'have dialysis', 'start dialysis', or 'be on dialysis' rather than naming the exact type of machine or method.
常見錯誤
2. a laboratory method that separates dissolved substances because some particles m
a laboratory method that separates dissolved substances because some particles move through a thin membrane faster than others
The lab used dialysis to separate the blue dye from salt water.
pattern: use dialysis to separate [substances]
During dialysis, small waste particles moved through the thin membrane first.
pattern: particles move through the membrane
Our chemistry teacher showed how dialysis can remove salt from a protein mix.
The team chose dialysis instead of filtering because the two particles were tiny.
- membrane separation
broader technical term for methods that separate substances with a membrane
- desalting
used when dialysis specifically removes small salts from a larger dissolved substance
文法句型
use dialysis to separate [substances]
remove salt by dialysis
dialysis through a membrane
用法筆記
Common mainly in chemistry and biology writing. The material being separated is usually a liquid mixture, and the contrast is often with ordinary filtering.