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PCAT Word List # PCAT/M3

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Explanation of titanium (noun)
form: no plural

strong metal with a high melting point

Sample of titanium
Titanium is a metal that does not corrode.



   
Explanation of morphine (noun)
form: no plural

a strong pain-killing and soporific drug made from opium

Sample of morphine
Methadone does not follow the same metabolic pathways as morphine, so it has been suggested that it may be useful in morphine resistant nociceptive (paradoxical) pain.



   
Explanation of antigen (noun)
form plural: antigens

any substance the body reacts to as foreign or harmful, by producing an antibody against it

Sample of antigen
Most antigens are large proteins or carbohydrate.



   
Explanation of regurgitate (verb)
forms: regurgitated; regurgitated; regurgitating

to bring back undigested food from the stomach

Sample of regurgitate
Some animals regurgitate their food to feed their young.
When the dry season comes and food is scarce, the active workers of the colony visit this living larder and caress the repletes with their antennae until they regurgitate droplets for them.



   
Explanation of mineral (noun)
form plural: minerals

simple chemical that living things need in small amounts to stay healthy

Sample of mineral
The slag usually contains a lot of different minerals as well as heavy metals.



   
Explanation of psychiatrist (noun)
form plural: psychiatrists

a specialist who studies; diagnoses and treats mental illness

Sample of psychiatrist
A psychiatrist manages emotional and mental illnesses.



   
Explanation of panic (noun)
form plural: panics

an extreme state of fear

Sample of panic
He was in a panic because he had not done enough work for the MCAT.



   
Explanation of pathologist (noun)
form plural: pathologists

a medical doctor who deals with the cause; origin and nature of diseases

Sample of pathologist
Pathologists may work in a laboratory.



   
Explanation of amphoteric (adjective)
having the features of an acid and a base and being able of reacting chemically either as an acid or a base

Sample of amphoteric
An amphoteric species can act either as an acid or a base depending on its chemical environment.



   
Explanation of exoskeleton (noun)
form: no plural

an external anatomical feature that supports and protects an animal's body

Sample of exoskeleton
Arthropods and mollusks have an exoskeleton.



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