sirtuin
English
Pronunciation
IPA
(key)
:
/ˈsɚ.tu.ɪn/
Rhymes:
-ɪn
Noun
sirtuin
(
plural
sirtuins
)
(
biochemistry
)
Any of several
enzymes
that act as
regulatory
factors
that
mediate
the
life
-
extending
effects of a
low
-
calorie
diet
.