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PCAT Word List # PCAT/W46

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  Word Descriptions parasite, semi-conductor, caffeine, histology, isobaric, alkali metal, exothermic, matter, ciliary muscle, acceleration


   
Description of parasite (noun: plural: parasites)
an organism that lives in or on a host organism

Samples of parasite
Parasites usually cause damage to the host organism.



   
Description of semi-conductor (noun: plural: semi-conductors)
partially able to transmit electricity

Samples of semi-conductor
Semi-conductors can not conduct electricity as well as metals can.



   
Description of caffeine (noun: no plural)
a drug present in tea; coffee and cola that is a stimulant

Samples of caffeine
Caffeine is a diuretic.



   
Description of histology (noun: plural: histologies)
the study of the microscopic structure of tissues

Samples of histology
Histology is taught to medical students.
Histology is the study of tissue sectioned as a thin slice, using a microtome.



   
Description of isobaric (adjective)
referring to equal weights or pressure

Samples of isobaric
In an isobaric process the pressure of the system stays constant.



   
Description of alkali metal (noun: plural: alkali metals)
element in the left-hand side of the periodic table

Samples of alkali metal
Sodium and potassium are alkali metals.



   
Description of exothermic (adjective: more exothermic; most exothermic; the most exothermic)
process where heat is passed to the surroundings

Samples of exothermic
Freezing is an example of an exothermic reaction.



   
Description of matter (noun: no plural)
something that exists in space as a solid; liquid or gas and has a mass

Samples of matter
Methane is formed when organic matter is decomposed.



   
Description of ciliary muscle (noun: plural: ciliary muscles)
organ that affects zonular fibers in the eye (fibers that suspend the lens in position during accommodation), enabling changes in lens shape for light focusing

Samples of ciliary muscle
The ciliary muscle changes the shape of the lens.



   
Description of acceleration (noun: no plural)
change of velocity

Samples of acceleration
Average acceleration refers to the change in instantaneous velocity over the time period.



  Determinations of the words parasite, semi-conductor, caffeine, histology, isobaric, alkali metal, exothermic, matter, ciliary muscle, acceleration

  Preparation book: Parasites of the Colder Climates

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     PCAT prep test: Vocabulary Website: Noun Adjective List         PCAT vocab test: Free word games: Online Nouns Adjectives Game         PCAT Test: (printable version)         Definition of parasite, semi-conductor, caffeine, histology, isobaric, alkali metal, exothermic