SEXTANT n. 3 definitions
An instrument for measuring angular distances between objects, -- used esp. at sea, for ascertaining the latitude and longitude. It is constructed on the same optical principle as Hadley's quadrant, but usually of metal, with a nicer graduation, telescopic sight, and its arc the sixth, and sometimes the third, part of…
SIMULTANEOUS a.
Existing, happening, or done, at the same time; as, simultaneous events. -- Si`mul*ta"ne*ous*ly, adv. -- Si`mul*ta"ne*ous*ness, n. Simultaneous equations (Alg.), two or more equations in which the values of the unknown quantities entering them are the same at the same time in both or in all.
SPONTANEITY n. 3 definitions
The quality or state of being spontaneous, or acting from native feeling, proneness, or temperament, without constraint or external force. Romney Leigh, who lives by diagrams, And crosses not the spontaneities Of all his individual, personal life With formal universals. Mrs. Browning.