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HHS Know Prefixes

Must know Prefixes

epi- above, upon
hypo- under, below, deficient
sub- under, below
inter- between
post- after, behind
pre- before, in front of
retro- backward, behind
bi- two
hemi-, semi- half
hyper- excessive, above normal
macro- large
micro- small
multi-, poly- many, much
quadri- four
tri- three
a-, an- without, not
brady- slow
dys- bad, painful, difficult
dia-, trans- through, across
peri-, circum- around
mono- one
ab- away
ad- toward
super- upper, above
supra- above, excessive, superior
anti- against
auto- self
eu- good normal
hetero- different
homo- same
intra- within
pseudo- false
tachy- fast, rapid