1.
not known; not within the range of one's knowledge, experience, or understanding; strange; unfamiliar.
2.
not discovered, explored, identified, or ascertained:
the unknown parts of Antarctica.
3.
not widely known; not famous; obscure:
an unknown writer.
4.
a thing, influence, area, factor, or person that is unknown:
the many unknowns in modern medicine; The director cast an unknown in the leading role.
5.
Mathematics. a symbol representing an unknown quantity: in algebra, analysis, etc., frequently represented by a letter from the last part of the alphabet, as x, y, or z.
Per favore Accedi per inviare commenti.
Sometimes I got unknown skill. Not NS HS or VHS..what is this?