| valence |
in chemistry, the quality that determines the number of atoms or chemical groups with which a given atom can form simultaneous covalent bonds. [2 definitions] |
| valence electrons |
electrons in the outer shell of an atom that largely determine its properties and that can be transferred to, or shared with, another atom. |
| -valent |
having (such) a valence or valences. |
| valentine |
a greeting card, gift, or the like sent as a token of affection on Valentine's Day. [2 definitions] |
| Valentine's Day |
a holiday celebrated on February 14 of each year, observed mostly by the exchanging of tokens of affection or friendship; Saint Valentine's Day. |
| valerian |
any of various plants bearing dense clusters of white, pink, red, or purple flowers and having a root that is used for medicinal purposes. [2 definitions] |
| valet |
a manservant who attends to the personal needs of his employer, such as getting that person properly dressed. [5 definitions] |
| valetudinarian |
a person confined or incapacitated by poor health; invalid. [4 definitions] |
| valetudinary |
a valetudinarian. |
| Valhalla |
in Scandinavian mythology, the hall where Odin receives and enshrines the heroes who have died bravely in battle. |
| valiant |
showing or characterized by courage in both spirit and action; brave; heroic. [3 definitions] |
| valid |
equitable; just. [4 definitions] |
| validate |
to prove valid or acceptable; verify. [2 definitions] |
| validation |
the act or process of proving or confirming (something) to be valid or acceptable. [2 definitions] |
| validity |
the quality or condition of being valid. |
| valine |
an amino acid, essential in the diet of humans and other animals, that is found in proteins. |
| valise |
a small piece of hand luggage. |
| Valium |
trademark name for diazepam, a tranquilizing drug that relaxes the muscles and relieves anxiety and depression. |
| Valkyrie |
in Scandinavian mythology, any of the maidens who bring dead battle heroes to Valhalla and attend them there. |
| Valletta |
the seaport capital of Malta. |
| valley |
a long area of relatively low elevation, often having a stream bed at the bottom, surrounded by mountains or hills. [2 definitions] |