tacho-, tach-, tachy-
(Greek: fast, speed, swift, rapid)
tachyphrasia
The abnormal rapidity of speech.
tachyphrenia
Abnormally rapid mental activity.
tachyphylaxis
1. Rapid immunization to a toxic dose of a substance by previously injecting tiny doses of the same substance.
2. Rapid appearance of progressive decrease in response following repetitive administration of a pharmacologically or physiologically active substance.
3. Also known as tachysynethis.
tachypnea, tachypneic
Excessive rapidity of breathing.
tachypnoea
British spelling of tachypnea.
tachypragia
Swiftness of action.
tachypsychia
Abnormally rapid action of psychological processes.
tachyrhythmia
1. Tachycardia; an excessively or abnormally rapid heart rate.
2. Increase in the frequency of brain waves in electroencephalography up to 12 to 50 per second.
tachysporous
A reference to a plant that disperses its seeds quickly.
tachytely, tachytelic
1. A significantly fast rate of evolutionary change, that occurs as populations shift from one major adaptive zone to another.
2. Evolution at a rapid rate resulting in differential selection and fixation of new types.
tachythanatous
Killing quickly, rapidly fatal.
tachytrophism
Rapid or increased metabolism.
tachyzoite
A stage of development of protozoan coccidial (a subclass of protozoan) parasites characterized by very rapid multiplication.
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