Saint Valentine / A male given name from Latin in quiet but steady use since the 16th century. / An English and Scottish surname derived from the male given name.

Alternative form of valentine

a Roman cognomen, notably borne by Publius Licinius Valerianus, a Roman emperor

A Russian male given name from Russian

A hardy perennial flowering plant, Valeriana officinalis, with heads of sweetly scented pink or white flowers. / More generally, any plant of the genus Valeriana.

(chemistry) in a coordination compound, the number of negative ions needed to satisfy the charge on the central metal ion

(chemistry) in a coordination compound, the number of ions or molecules that are coordinated to the central metal ion; its coordination number

(chemistry) the outermost shell of electrons in an atom; these electrons take part in bonding with other atoms

(chemistry) any of the electrons in the outermost shell of an atom; capable of forming bonds with other atoms

Sickly, infirm, of ailing health / Being overly worried about one's health.