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MCAT Word List # MCAT/M110

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  Word Explanations reduction, electrolyte, child, onset, menstrual period, sulfur, vitamin K, post-traumatic stress disorder (PTSD), course, entropy


   
Explanation of reduction (noun)
form plural: reductions

the process where a substance gains electrons

Sample of reduction
Oxidation and reduction reactions occur simultaneously as one substance gives electrons and the other receives them.



   
Explanation of electrolyte (noun)
form plural: electrolytes

dissolved salt or ions in the body fluids

Sample of electrolyte
Sodium and potassium are important electrolytes that regulate cellular processes.



   
Explanation of child (noun)
form plural: children

a young boy or girl

Sample of child
A child has a growth spurt around puberty.



   
Explanation of onset (noun)
form plural: onsets

the beginning

Sample of onset
The onset of menstruation is brought about by hormonal changes.



   
Explanation of menstrual period (noun)
form plural: menstrual periods

the monthly bleeding that occurs cyclically in a women during the reproductive years; menses

Sample of menstrual period
The menstrual periods are often simply called 'periods'.



   
Explanation of sulfur (noun)
form: no plural

chemical element with the symbol S

Sample of sulfur
Sulfur makes up most proteins.



   
Explanation of vitamin K (noun)
form: no plural

a fat-soluble vitamin needed for the normal clotting of blood

Sample of vitamin K
Deficiency of vitamin K is rare as bacteria in the gut can make it.



   
Explanation of post-traumatic stress disorder (PTSD) (noun)
form: no plural

an abnormal reaction involving flashbacks and abnormal anxiety which can occur after exposure to extreme stress

Sample of post-traumatic stress disorder (PTSD)
PTSD is a psychiatric disorder.



   
Explanation of course (noun)
form plural: courses

trend; development; route

Sample of course
The patient gradually got worse despite the course of treatment.
The illness took its course and soon the patient died.



   
Explanation of entropy (noun)
form: no plural

measurement of the amount of thermal energy that is not available for work in a closed thermodynamic system

Sample of entropy
Entropy measures the randomness of a system.



  Explain the words reduction, electrolyte, child, onset, menstrual period, sulfur, vitamin K, post-traumatic stress disorder (PTSD), course, entropy

  Preparation book: Elimination: Reduction of Diseases? Opportunities

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     MCAT verbal test: Vocabulary Quiz: Noun Lists         MCAT practice test: Interactive word games: Free Online Noun Game         MCAT Sample Test: (printable version)         Meaning of reduction, electrolyte, child, onset, menstrual period, sulfur, vitamin K, post-traumatic stress disorder (PTSD)