| rut |
A depression in access roads made by continuous passage of logging vehicles.
출처: www.epa.gov/OWOW/NPS/MMGI/Chapter3/ch3-3.html
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| ruminant |
Animals having four stomach compartments - rumen, reticulum, omasum and abomasums - through which food passes in digestion. These animals chew their cud or regurgitate partially digested food for further breakdown in the mouth. Ruminant animals include cattle, sheep, goats, deer and camels.
출처: www.epa.gov/agriculture/ag101/dairyglossary.html
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| rufous |
Reddish, or reddish-brown. Rugose: Rough or wrinkled.
출처: www.fish.washington.edu/naturemapping/mollusks/glo...
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| rupia |
An eruptive disease in which there are broad flat vesicles, succeeded by an ill-conditioned discharge which thickens into superficial scabs, easily detached and immediately replaced by new ones. [Thomas1875] Yaws. [Heritage]
출처: www.antiquusmorbus.com/English/EnglishR.htm
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| rust |
Reddish covering occurring on ferrous materials as a result of oxidation. Rust can be prevented by the use of special coatings that prevent oxygen from reaching the surface.
출처: www.peakagents.ca/glossary/r11.htm
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