| rosin |
Non-asphaltic material used as slip sheets and sheathing paper in roof systems. Also referred to Rosin Paper and Rosin-Sized Sheathing Paper.
출처: www.roofhelp.com/glossary/glossary_r.htm
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| rosin |
A natural resin obtained from pine trees, and when suitably modified, is used as an internal sizing agent to impart waterproofness to paper; used in acid sizing of paper, see "alum".
출처: www.newpagecorp.com/mpd/home.nsf/Glossary
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| rostrum |
in belemnites, the rear part of the bullet-shaped, cylindrical internal shell, also called the guard. Its purpose was possibly to act as a counter-balance to the weight of the animal's head and tentacles.
출처: www.sedgwickmuseum.org/education/glossary.html
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| rosette |
a circular leaf cluster, usually at the base of a plant.
출처: www.borealforest.org/glossary.htm
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| rose |
always represented as full-blown with the petals expanded, seeded in the middle, and backed by five green barbs or leaves. When a heraldic rose is red it must be blazoned gu. not ppr.; a rose is termed 'barbed and seeded ppr.' when the barbs are green and the seeds yellow
출처: www.burkes-peerage.net/sites/common/sitepages/hera...
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