### asymmetry:

Skewness
* is an asymmetry
  - calculated by dividing the third central moment by the cube of the standard deviation
* measure of lack of symmetry of a distribution.
* measures the characteristics of the finest and coarsest particles in a deposit
  - coefficient of assymetry of a distribution
  - deviation of the distribution from symmetry
  - lack of symmetry of a probability distribution
* refers to the symmetry of a distribution.

### asymptomatic:

Enteroviral infection
* Many enteroviral infections produce no symptoms, while others cause only mild diarrhea or vomiting.
* Most enteroviral infections are asymptomatic.

Primary infection
* Many primary infections are asymptomatic.
* Most primary infections are asymptomatic.
* can also present as a urethritis without a local skin lesion.
* induces responses
  - specific responses
* is by ascospores produced in the sclerotia.
* occurs in patients
  - when motile spores, known as zoospores , are released into the soil

### athletes:

Female bodybuilder
* are athletes.
* live a very physical lifestyle.

### athletes:

Martial artist
* Many martial artists believe that either jabs are useless or that back fists are useless.
* Most martial artists spend considerable time practicing the techniques and methods of their art.
* Some martial artists stress only the fighting side of the discipline.
  - notoriously proud of their art and it's heritage
  - workers
* can use to speed up recovery time from bruises or other external injuries.
* perform exercises to cultivate and strenghten their Chi.
* tend to be more peaceful because of their training and confidence.

### athletic activities:

Hiking
*  drink water.
*  good shoes.
* are athletic activities
  - outdoor activities
  - recreational activities
* are used for adventures
  - campers
  - fun
  - health
* cause adventures
  - blisters
  - cramp
  - fatigue
  - physical exertion
  - smiles
  - sweating
  - tireds

### athletic actors:

Professional wrestler
* are athletic actors.
* combine sport and show.
* work day and night, seven days a week, entertaining millions of people.

Atmospheric phenomenon
* Atmospheric phenomena create hazardous situations
* Most atmospheric phenomena create hazardous situations.
* Some atmospheric phenomena affect transparencies.

### atoms:

Oxygen atom
* Most oxygen atoms have charge
  - negative charge
* Some oxygen atoms combine with carbon atoms to make carbon dioxide, which plants breathe.
* Some oxygen atoms give off green light
* are atoms
  - used to make water molecules
* can have three different masses, known as isotopes.
* give off green and red light
  - read and green light depending on how high they are in the atmosphere
  - red and green light, depending on how high they are in the ionosphere
* glow green at lower altitudes.
* remain in tetrahedral co-ordination after the dislocations have passed.

Atrial diastole
* is during ventricular systole.
+ Heart, ECG: Anatomy of the cardiovascular system
  * Then ventricular systole happens. This is called the 'QRS' or QRS-complex. It is called a complex because there are three different waves in it. Then the ECG shows ventricular diastole. This is called the 'T-wave'. Atrial diastole happens then too. But it is not seen separate from ventricular diastole.

### attacks:

Bombing
* are attacks
  - sabotage
  - the most frequently used terrorist method in the United States
* is an act of war.
* result in increased police presence at places where public congregates.

Physical attack
* are attacks
  - hazards
  - violent actions
* occur in all types of families
  - as many as half of all families, rich and poor