Prefix
Combining Form
Suffix
Meaning
Medical Terms
100

exo- 

Outward 

100

nyctal/o

Night 

100
-opia

Vision condition 

100

Ear

ot/o

100

Auricular 

auricul/o (ear) + -ar (pertaining to)

Pertaining to the ear 

200

trans-

Through/across 

200

aur/o

Ear 

200

-opsia 

Vision condition

200

Hearing 

acous/o or audi/o or audit/o 

200

Rhinoplasty 

rhin/o (nose) + -plasty (surgical repair) 

Surgical repair of the nose 

300

eso-

Inward 

300

myring/o

Tympanic membrane/eardrum 

300

-cusis

Hearing

300

Fear

-phobia 

300

Dacryocytitis 

dacry/o (tear duct) + cyt/o (sac/cell) + -itis (inflammation)

Infection of the tear sac 

400

pseudo-

False 

400

presby/o

Old age 

400

-otia 

Ear condition

400

Vascular 

uve/o

400

Otoscope 

ot/o (ear) + scope (instrument to view) 

Instrument to view inside of the ear 

500

myo-

To shut 

500

emmetr/o

Correct/proper 

500

-tropia

Turned condition 

500

Glassy 

vitre/o

500

Otopyorrhea 

ot/o (ear) + py/o (pus) + -rrhea (discharge)

Discharge of pus from the ear