(historical) Relating to the Quinisext Council held in 692 in the dome-roofed hall in the imperial palace at Constantinople.

(biochemistry) Any of a family of antioxidant enzymes that mediate signal transduction in mammalian cells.

A simple notation used to identify a piece of music through the falling and rising motion of its pitch.

A male servant, especially an attendant to a bullfighter. / A title of respect for a young man (usually unmarried) with or without a name used. / An unmarried man, a boy.