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impervious
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In hydrologic terms, the ability to repel water, or not let water infiltrate
ó: weather.gov/glossary/glossary.php
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imprinting
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First described by Konrad Lorenz. Imprinting is characterized by three characteristics. 1.) It is a behavior that results from passive exposure to a stimulus. 2.) It is irreversibly or very difficult to reverse. 3.) It is limited to an early stage in development, ie immediately after their eyes open. Caique chicks not only imprint on their parents, but also their siblings and even the humans who handle them while they are still in the nest.
ó: home.rochester.rr.com/thecaiques/glossary.htm
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implantation
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The process that occurs when the embryo burrows into the endometrium and eventually connects to the mother's circulatory system.
ó: www.haveababy.com/learn/glossary.asp
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impulse
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(abbrev. IMPL) Alternate term for Upper Level System and Shortwave; a general term for any large-scale or mesoscale disturbance capable of producing upward motion (lift) in the middle or upper parts of the atmosphere.
ó: weather.gov/glossary/glossary.php
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imprinting
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A phenomenon in which the disease phenotype depends on which parent passed on the disease gene. For instance, both Prader-Willi and Angelman syndromes are inherited when the same part of chromosome 15 is missing. When the father's complement of 15 is missing, the child has Prader-Willi, but when the mother's complement of 15 is missing, the child has Angelman syndrome. Source : Human Genome Project Information; PhRMA Genomics
ó: www.genomecanada.ca/GCglossaire/glossaire/index.as...
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