chrono-, chron- +

An instrument for measuring chronaxie.

The measurement of chronaxie.

1. Of diseases, etc.; lasting a long time, long-continued, lingering, inveterate; opposed to acute.
2. Of long duration; continuous, constant, lingering, persistent, prolonged; habitual.
3. Used colloquially as a vague expression of disapproval: bad, intense, severe, objectionable.

Of or pertaining to time; regulated by time.

The quality of being chronic.

1. A detailed and continuous register of events in order of time; a historical record; especially, one in which the facts are narrated without philosophic treatment, or any attempt at literary style.
2. A record, register, narrative, account; a frequent title of newspapers.
3. As a verb, to enter or record in a chronicle.
4. A time record of historical events.

A writer or compiler of a chronicle, a recorder of events.

To tell or write the history of; put into a chronicle; recount; record.

Pertaining to, or in relation to, time or a time scale.

A miniature elapsed-time indicator that uses electroplating principles to measure the operating time of equipment.

1. The scientific study of the effect of time on living systems.
2. That aspect of biology that is concerned with the timing of biological events, especially repetitive or cyclic phenomena in individual organisms.
3. The study of biological time rhythms.

1. In paleontology, a time series of fossils showing small changes in successive representatives of a taxon.
2. A gradual change in a character or group of characters over an extended period of geological time.
3. A gradient of morphologic changes in a taxonomic group through time as found in a series of fossil-bearing strata.

A cyclographic time-and-motion study in which the light level varies to permit computation of the speed and direction of body motions.

1. The time sequence of occurrences of organisms in stratified rock.
2. The history of the development of a group of organisms.

1. The subjective appreciation of the passage of time.
2. The perception of the passage of time; being aware that time is passing.