| pollution |
undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities befoulment: the state of being polluted contamination: the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors
출처: wordnet.princeton.edu/perl/webwn
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| pollination |
Pollination is an important step in the reproduction of seed plants: the transfer of pollen grains (male gametes) to the plant carpel, the structure that contains the ovule (female gamete). The receptive part of the carpel is called a stigma in the flowers of angiosperms and a micropyle in gymnosperms. The study of pollination brings together many disciplines, such as botany, horticulture, entomology, and ecology. ...
출처: en.wikipedia.org/wiki/Pollination
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| pollution |
Pollution is the release of harmful environmental contaminants, or the substances so released. Generally the process needs to result from human activity to be regarded as pollution. Even relatively benign products of human activity are liable to be regarded as pollution, if they precipitate negative effects later on. The nitrogen oxides produced by industry are often referred to as pollution, for example, although the substances themselves are not harmful. ...
출처: en.wikipedia.org/wiki/Pollution
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| pollination |
when a male pollen grain is introduced to the female part of the flower, enabling fertilization to take place.
출처: https://www.uwsp.edu/natres/nres743/Glossary.htm
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| pollination |
[poll-ih-NAY-shun] the transfer of pollen from one flower to another, usually with the assistance of insects.
출처: members.aol.com/YESedu/glossary.html
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