exhalation


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exhalation

 [eks″hah-la´shun]
1. the giving off of watery or other vapor, or of an effluvium.
2. a vapor or other substance exhaled or given off.
3. the act of breathing out; called also expiration and halitus.

ex·ha·la·tion

(eks-hă-lā'shŭn),
1. Breathing out. Synonym(s): expiration (1)
2. The giving forth of gas or vapor.
3. Any exhaled or emitted gas or vapor.
[L. ex-halo, pp. -halatus, to breathe out]

exhalation

(ĕks′hə-lā′shən, ĕk′sə-)
n.
1. The act or an instance of exhaling.
2. Something, such as air or vapor, that is exhaled.

ex·ha·la·tion

(eks'hă-lā'shŭn)
1. Breathing out.
Synonym(s): expiration (1) .
2. The giving forth of gas or vapor.
3. Any exhaled or emitted gas or vapor.
[L. ex-halo, pp. -halatus, to breathe out]

ex·ha·la·tion

(eks'hă-lā'shŭn)
1. Breathing out.
Synonym(s): expiration (1) .
2. The giving forth of gas or vapor.
3. Any exhaled or emitted gas or vapor.
[L. ex-halo, pp. -halatus, to breathe out]
References in periodicals archive ?
From this figure, it is apparent that the exhalation air has little to no effect on the inhalation air quality.
Time the movements with inhalation and exhalation. If the student wears glasses, ask the student to remove them before beginning.
Exhalation is a must-read for any fan of exquisitely crafted sci-fi.
The researchers currently are examining if there is a link between the amount of laughter produced upon inhalation and exhalation and the reasons why individuals laugh, which also change with age.
Since the inhalation volume and exhalation volume are very close, we also assumed that they were the same in the calculation.
where [C.sub.0] is the initial radon concentration (Bq/[m.sup.3]), C is the accumulated radon concentration, and [J.sub.M] is the mass exhalation rate (mBq/kg/h).
The exhalation provides the "power source" for horn players.
The United States National Institute for Occupational Safety and Health (NIOSH) N95 FFR certification testing (utilizing a filter tester at 85 l/min of constant airflow) specifies peak average inhalation and exhalation resistance to airflow (i.e., filter airflow resistance--[R.sub.filter]) limits of 35 mm (343.2 Pa) and 25 mm (245.1 Pa) [H.sub.2]O pressure, respectively, for this class of respirators [2].
Exhalation from an infected person can spread in long distance through the airflow pattern--the macro environment - depending on the type of ventilation system and it may increase the pathogen concentration in different indoor environment areas, see Qian et al.
These parameters are linked to calendar age (CA), height (H), body weight (W), as well as the possibilities of the respiratory system--the exhalation apnea ([A.sub.exhalation]), the vital capacity (VC), and so on [9,13,17,18,21,24,29-33].
For example, one study found the exhalation flow from a person is able to penetrate the natural convection boundary layer and the breathing zone of another person standing nearby.
To study radon concentration exhalation rate and its dependence on grain size soil samples were collected from different locations in Kedah Malaysia.