Unit 1 Prefixes

an-

without

bi-

two

de-

without

di-

twice, double

dia-

through, completely

hemi-

half

hyper-

over, excessive

hypo-

under, deficient

iso-

equal

macro-

large

mega-

large

micro-

small

mono-

one

multi-

many

oligo-little,

deficient

poly-

many

quadri-

four

quar-

four

quat-

four

semi-

half or partial

sub-

under, moderately

super-

above, excessive, more

tri-

three

uni-

one

ab-

away

ad-

toward

ana-

up, back

ante-

before, in front of

anti-

against, opposed to

circum-

around

contra-

against, opposite

de-

down from

ecto-

out from

endo-

within

epi-

upon, on

ex-

external, outward

exo-outside

...

extra-

outside of, in addition

infra-

below

inter-

between

intra-inside

...

latero-

side

medi-

middle

para-

beside

per-

through

peri-

around

pre-

before, in front of

post-

after, behind

pro-

before, in front of

retro-

backward or behind

sub-

under

supra-

above

trans-

across

ante-

before

noct-

night

pre-

before

post-

after

pro-

before

brady-

slow

dys-

difficult, painful, abnormal

eu-

easy, normal, good

hetero-

different, other

homo-

same, like

hydro-water

...

leuko-white

...

mal-

bad

melano-

color

neo-

new

patho-

pertaining to disease

pseudo-

false

tachy-f

ast

un-

not