Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
permanence
permanent
permanent hardness
permanent health insurance
permanent-income hypothesis
permanent-income savings motive
permanent load
permanent magnet
permanent press
permanent set
permanent tooth
permanent wave
permanent way
permanganate
permanganic acid
permatemp
permeability
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

peroxisome

per·ox·i·some [ pə róksi sm ] (plural per·ox·i·somes)


noun 
Definition:
 
oxidizer of toxic substances: a tiny part within a cell containing enzymes that oxidize toxic substances such as alcohol and prevent them from doing any harm. There are many peroxisomes in the cells of the liver and kidney.

[Mid-20th century. <peroxide + -some1]
Advertisement

© 2009 Microsoft