[par-uh-dok-si-kuh l] /ˌpær əˈdɒk sɪ kəl/
having the nature of a ; self-contradictory.
Medicine/Medical. not being the normal or usual kind:
Stimulants are a paradoxical, albeit effective, medication used for certain forms of hyperactivity.
1580s, from paradox + -ical. Competing forms were paradoxal (1560s), paradoxial (1620s), but they survive in niches, if at all. Related: Paradoxically.
- Paradoxical pulse
paradoxical pulse n. An exaggeration of the normal variation in the pulse during respiration, in which the pulse becomes weaker as one inhales and stronger as one exhales; it is characteristic of constrictive pericarditis or pericardial effusion.
- Paradoxical reflex
paradoxical reflex n. A reflex in which the usual response is reversed or does not conform to the pattern characteristic of the particular reflex.
- Paradoxical respiration
paradoxical respiration n. The deflation of the lung during inspiration and inflation during expiration.
noun, Physiology. 1. . noun 1. (physiol) sleep that appears to be deep but that is characterized by a brain wave pattern similar to that of wakefulness, rapid eye movements, and heavier breathing paradoxical sleep n. See REM sleep.