Dictionary

All Word
rosin Verb rub rosin onto
rhyolite Noun very acid volcanic rock
rottenstone Noun a weathered and decomposed siliceous limestone
red silk cotton Noun a plant fiber from the red silk-cotton tree of eastern India
rock oil Noun a dark oil consisting mainly of hydrocarbons
rice paper Noun a thin delicate material resembling paper
roofing paper Noun a heavy paper impregnated with tar and used as part of a roof for waterproofing
resorcinol Noun a crystalline phenol obtained from various resins
restriction endonuclease Noun any of the enzymes that cut nucleic acid at specific restriction sites and produce restriction fragments
restriction nuclease Noun any of the enzymes that cut nucleic acid at specific restriction sites and produce restriction fragments
restriction enzyme Noun any of the enzymes that cut nucleic acid at specific restriction sites and produce restriction fragments
retinene Noun either of two yellow to red retinal pigments formed from rhodopsin by the action of light
residual oil Noun oil products that remain after petroleum has been distilled
ridge tile Noun a decorative tile that is bent in cross section
resid Noun oil products that remain after petroleum has been distilled
roofing material Noun building material used in constructing roofs
rose quartz Noun a translucent rose-red variety of quartz used for ornaments
ruddle Noun a red iron ore used in dyeing and marking
ruddle Verb redden as if with a red ocher color
ruddle Verb twist or braid together, interlace
reddle Noun a red iron ore used in dyeing and marking
raddle Noun a red iron ore used in dyeing and marking
raddle Verb mark or paint with raddle
raddle Verb twist or braid together, interlace
rutile Noun a mineral consisting of titanium dioxide in crystalline form
rainwater Noun drops of fresh water that fall as precipitation from clouds
reverse transcriptase Noun a polymerase that catalyzes the formation of DNA using RNA as a template
rotenone Noun a white crystalline insecticide that has low toxicity for mammals
resorcinolphthalein Noun a yellow dye that is visible even when highly diluted
radiopaque dye Noun dye that does not allow the passage of X rays or other radiation
rhodolite Noun a red or pink variety of garnet used as a gemstone
radioactive material Noun material that is radioactive
radioactive waste Noun useless radioactive materials that are left after some laboratory or commercial process is completed
raphia Noun leaf fibers of the raffia palm tree
raffinose Noun a trisaccharide that occurs in sugar beets and cotton seeds and certain cereals
raveling Noun a bit of fiber that has become separated from woven fabric
ravelling Noun a bit of fiber that has become separated from woven fabric
red lead Noun a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramics
red tide Noun seawater that is discolored by large numbers of certain dinoflagellates that produce saxitoxin
reductase Noun an enzyme that catalyses the biochemical reduction of some specified substance
renin Noun a proteolytic enzyme secreted by the kidneys
rennin Noun an enzyme that occurs in gastric juice
ruby spinel Noun a spinel used as a gemstone (usually dark red)
rubicelle Noun a yellow or orange variety of ruby spinel
reagin Noun an immunoglobulin E that is formed as an antibody against allergens (such as pollen)
resolvent Noun a liquid substance capable of dissolving other substances
render Noun a substance similar to stucco but exclusively applied to masonry walls
render Verb cause to become
render Verb melt (fat or lard) in order to separate out impurities
render Verb restate (words) from one language into another language