vi·rol·o·gy 
(vī-rŏlə-jē)
(vī-rŏlə-jē)n.
The study of viruses and viral diseases.
vi′ro·logi·cal (vī′rə-lŏjĭ-kəl), vi′ro·logic (-ĭk) adj.
vi·rolo·gist n.
- contradistinguish
- contrafactual
- contragestation
- contragestive
- contrail
- contraindicate
- contraindication
- contraindicative
- contralateral
- contralto
- contraposition
- take effect
- take exception
- take five
- take five/ten
- take for
- take for a ride
- take for granted
- take hat off to
- take heart
- take hold
- take-home pay
- take in
- take-in
- take in stride