Medical Prefixes

hydr(o)-

• fire

• earth

• water

• air

hem(o)-

• blood

• heart

• vein

• artery

leuk(o)-

• red

• blue

• white

• green

bi-

• one

• three

• two

• four

contra-

• for

• with

• against

• beside

hyper-

• below or low

• above or high

• equal or same

• near or close

pre-

• after

• during

• before

• later

trans-

• through

• between

• across

• around

poly-

• too much or many

• not enough

• just right

• a little bit

brady-

• fast

• quick

• slow

• rapid