valedictory speaker
— Noun
– English
～ the student with the best grades who usually delivers the valedictory address at commencement
valedictory address
— Noun
– English
～ a farewell oration (especially one delivered during graduation exercises by an outstanding member of a graduating class)
valedictory
— Noun
– English
～ a farewell oration (especially one delivered during graduation exercises by an outstanding member of a graduating class)
valedictory oration
— Noun
– English
～ a farewell oration (especially one delivered during graduation exercises by an outstanding member of a graduating class)
valedictory
— Adjective
– English
～ of a speech expressing leave-taking; "a valedictory address"
valedictory
— Adjective
– English
～ of or relating to an occasion or expression of farewell; "a valedictory address"; "valedictory praise for his uniformly manly course"; "a suitable valedictory gesture"
valence electron
— Noun
– English
～ an electron in the outer shell of an atom which can combine with other atoms to form molecules
valence
— Noun
– English
～ (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent)
valence
— Noun
– English
～ (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate