A resin used mainly in varnishes and lacquer, obtained from plants in the genus Xanthorrhoea.

(chemistry) Any of a particular class of thermosetting resin made through the condensation of phenol (or a phenol derivative) with an aldehyde.

(mineralogy) copaline

(mineralogy) copaline

Alternative spelling of gum resin

Any of the megachilid bees that use plant resins in constructing their nests.

plural of resin bee

(analytical chemistry) An insoluble matrix of small beads having a charged surface; used as an artificial zeolite in water softeners and in ion exchange chromatography.

(chemistry) Any of several of the condensation products of the reaction between urea and formaldehyde (and their derivatives) used as a thermosetting material.

(organic chemistry) Any of a range of thermosetting plastics made by reaction of a phenol with formaldehyde