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MCAT Word List # MCAT/M44

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Explanation of chirality (noun)
form: no plural

characteristic of a molecule being unable to superimpose it on its mirror image

Sample of chirality
Chirality is most frequently encountered when carbon atoms have four different substituents.



   
Explanation of vertically (adverb)
forms: more vertically; most vertically; less vertically; least vertically

with a straight up direction

Sample of vertically
Most plants and trees grow vertically up towards the light.



   
Explanation of menarche (noun)
form: no plural

the start of the menstrual periods

Sample of menarche
Menarche usually takes place between 10 and 19 years of age.



   
Explanation of deafness (noun)
form: no plural

inability to hear

Sample of deafness
Due to his deafness the patient wore a hearing aid.



   
Explanation of postnatal (adjective)
relating to the time after birth

Sample of postnatal
Postnatal depression can affect a woman after giving birth.



   
Explanation of miscible (adjective)
something which mixes with a similar substance

Sample of miscible
Ethanol and water mix together. They are miscible liquids.



   
Explanation of bismuth (noun)
form: no plural

metallic element with a high atomic number (83) used to make alloys

Sample of bismuth
Bismuth is the most difficult metal to magnetize.



   
Explanation of diagnostic (adjective)
referring to diagnosis

Sample of diagnostic
Urine analysis is a useful diagnostic tool.



   
Explanation of Bunsen burner (noun)
form: no plural

device used as a fuel source in laboratories

Sample of Bunsen burner
Bunsen burners are needed for laboratory experiments.



   
Explanation of gas (noun)
form plural: gases

a substance which exists in a vapor form at room temperature (neither a liquid; nor a solid)

Sample of gas
Examples of gases include oxygen; hydrogen and helium.



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