Go to 'thermo-' entry Go to 'dino-' entry Go to 'chondro-' entry Go to 'aero-' entry Go to '-logy' entry Go to 'thaumato-' entry Go to 'nano-' entry Go to '-sophy' entry Go to 'bucco-' entry Go to '-ism' entry Go to '-lysis' entry Go to 'galacto-' entry Go to '-anthropy' entry Go to 'pneumo-' entry Go to '-ploitation' entry Go to '-lithic' entry Go to '-sepalous' entry Go to 'onco-' entry Go to '-parous' entry Go to 'dermato-' entry Go to 'multi-' entry Go to 'dodeca-' entry Go to '-zoon' entry Go to 'vermi-' entry Go to 'crystallo-' entry Go to 'biblio-' entry Go to 'eco-' entry Go to 'juxta-' entry Go to 'facio-' entry
Affixes: the building blocks of English
Affixes: the building blocks of English

tachy-

Rapid.

[Greek takhus, swift.]

In medicine, tachycardia (Greek kardia, heart) is an abnormally rapid heart rate; tachyphylaxis (Greek phulaxis, act of guarding) occurs when repeated doses of a drug cause responses that are progressively and rapidly less effective; tachypnoea (US tachypnea) (Greek pnoē, breathing) is abnormally rapid breathing. A tachyon is a hypothetical particle that travels faster than light.

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