Vocabulary (Week 2/6)

Semipermeable

source sentence:"For this reason, the membrane is said to be semipermeable in its normal resting state-only some chemicals can permeate or pass through, "holes" in the membrane."

context clues:"pass through", "holes", "some"

definition:Allowing passage of certain, especially small, molecules or ions but acting as a barrier to others. Used of biological and synthetic membranes.
http://dictionary.reference.com/browse/semipermeable?qsrc=2888

original sentence:The rock I found was semipermeable in its entirety, water flowed through it like a water breaknig through a dam.


Depolarization


source sentence:"This process is called depolarization, because the neuron is no longer mostly negative on the inside."

context clues:"no loger", "process", "de-", root word="polar"

defenition:To partially or completely eliminate or counteract the polarization of. To demagnetize.
http://dictionary.reference.com/browse/depolarization?qsrc=2888

original sentence: My cousin had a very bad addiction to caffeine, when he tried to kick his habit, he described it as a depolarization from his all things with caffeine.


Narcolepsy


source sentence:"Narcolepsy often causes serious difficulties with the use of dangerous machines and other job-related activities."

context clues: "serious","difficulties","often causes"

definition:A disorder characterized by sudden and uncontrollable, though often brief, attacks of deep sleep, sometimes accompanied by paralysis and hallucinations.
http://dictionary.reference.com/browse/narcolepsy?qsrc=2888

original sentence:I had an uncle who suffered from narcolepsy and he had to retire from the armed forces.