| IV | administration of nutrients through a vein |
|---|---|
| IV | the cardinal number that is the sum of three and one |
| IV | being one more than three |
| IV | any of various coarse shrubby plants of the genus Iva with small greenish flowers |
| IV | tall annual marsh elder common in moist rich soil is central North America that can cause contact dermatitis |
| IV | Grand Duke of Muscovy whose victories against the Tartars laid the basis for Russian unity (1440-1505) |
| IV | Grand Duke of Muscovy whose victories against the Tartars laid the basis for Russian unity (1440-1505) |
| IV | the first Czar of Russia (1530-1584) |
| IV | the first Czar of Russia (1530-1584) |
| IV | United States tennis player (born in Czechoslovakia) who won several singles championships |
| IV | Russian physiologist who observed conditioned salivary responses in dogs (1849-1936) |
| IV | Russian physiologist who observed conditioned salivary responses in dogs (1849-1936) |