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Recording; -- applied to instruments; having an apparatus which registers; as, a registering thermometer. See Recording.

Registering itself; -- said of any instrument so contrived as to record its own indications of phenomena, whether continuously or at stated times, as at the maxima and minima of variations; as, a self-registering anemometer or barometer.

A book kept for the purpose of registering the names of persons liable to censure or punishment, as in the English universities, or the English armies.

An enrolling or registering. The conscription of men of war. Bp. Burnet.

A dynamometer to which is attached a device for automatically registering muscular power.

t. (a) A gate or turnstile at the entrance of toll bridges, exhibition grounds, etc., for registering the number of persons passing it. (b) An opening in the door of a street car for purchasing tickets of the driver or passing fares to the conductor. Knight.

Anything that does work of a finger; as, the pointer of a clock, watch, or other registering machine; especially (Mech.) a small projecting rod, wire, or piece, which is brought into contact with an object to effect, direct, or restrain a motion.

An instrument for registering the velocity of the blood.

a quadrant, sextant, etc. -- Index hand, the pointer or hand of a clock, watch, or other registering machine; a hand that points to something. -- Index of a logarithm (Math.), the integral part of the logarithm, and always one less than the number of integral figures in the given number. It is also called the charact…

An automatic instrument for registering, by photography or otherwise, the states and variations of any of the terrestrial magnetic elements.

Pertaining to martyrology or martyrs; registering, or registered in, a catalogue of martyrs.

The description of muscles, including the study of muscular contraction by the aid of registering apparatus, as by some form of myograph; myology.

An instrument for measuring or registering the amount of cloudiness.

An instrument for determining and registering the duration of more or less complex operations of the mind. Dunglison.

A machine for registering the distance traversed by a vehicle or pedestrain.

An instrument for registering the changes observable with an oncometer.

An instrument for recording the height of the liquid in an endosmometer or for registering osmotic pressures.

An electrometer registering by photography.

A nephoscope registering by photography, commonly consisting of a pair of cameras used simultaneously.

An instrument for registering the movements of the diaphragm, or midriff, in respiration.