| BIVIOUS | • bivious adj. (Rare) Having, or leading, two ways. • BIVIOUS adj. (obsolete) offering a choice; splitting between two directions. |
| DILUVIA | • diluvia n. Plural of diluvium. • diluvia n. Plural of diluvion. • DILUVIUM n. (Latin) a deposit of superficial loam, sand, gravel, stones, etc. caused by former action of flowing waters, or the melting of glacial ice, also DILUVION. |
| ILLUVIA | • illuvia n. Plural of illuvium. • ILLUVIUM n. material removed from the soil layer by rainwater and deposited in a lower layer. |
| INVIOUS | • invious adj. (Obsolete, poetic) untrodden. • invious adj. (Obsolete, poetic) impassable. • INVIOUS adj. impassable. |
| PULVINI | • pulvini n. Plural of pulvinus. • PULVINUS n. (Latin) a swelling at the base of a stalk or leaf. |
| QIVIUTS | • QIVIUT n. (Inuit) the fine, soft, light-brown under layer of hair on the musk ox. |
| TRIVIUM | • trivium n. (Historical, in medieval universities) The lower division of the liberal arts; grammar, logic and rhetoric. • trivium n. (Zoology) The three anterior ambulacra of echinoderms, collectively. • TRIVIUM n. (Latin) a group of studies in medieval schools. |
| UNCIVIL | • uncivil adj. Not civilized. • uncivil adj. Not civil; discourteous; impolite. • UNCIVIL adj. not civil, also INCIVIL. |
| UNITIVE | • unitive adj. Of, causing, or involving unity or union. • UNITIVE adj. serving to unite. |
| UVEITIC | • uveitic adj. Relating to uveitis. • UVEITIC adj. pertaining to the uvea, the posterior pigment-bearing layer of the pupil of the eye. |
| UVEITIS | • uveitis n. (Pathology) Inflammation of the uvea. • UVEITIS n. inflammation of the uvea. |
| VICIOUS | • vicious adj. Violent, destructive and cruel. • vicious adj. Savage and aggressive. • vicious adj. (Archaic) Pertaining to vice; characterised by immorality or depravity. |
| VIDIMUS | • vidimus n. A preliminary drawing of something to be designed and constructed. • vidimus n. An inspection or audit. • VIDIMUS n. (Latin) an attested copy; inspection of accounts. |
| VIDUITY | • viduity n. (Rare) the state of being a widow; widowhood. • VIDUITY n. the state of being a widow. |
| VITIOUS | • vitious adj. Obsolete form of vicious. • VITIOUS adj. vicious in the specific legal sense of impaired, nullified by a flaw. |