Index of English words, starting with "ro"

(1) - Roral (a.) Of or pertaining to dew; consisting of dew; dewy.

(1) - Rorqual (n.) A very large North Atlantic whalebone whale (Physalus antiquorum, or Balaenoptera physalus). It has a dorsal fin, and strong longitudinal folds on the throat and belly. Called also razorback.

(1) - Rosaceous (a.) Of a pure purpish pink color.
(2) - Rosaceous (a.) Like a rose in shape or appearance; as, a rosaceous corolla.
(3) - Rosaceous (a.) Of or pertaining to a natural order of plants (Rosaceae) of which the rose is the type. It includes also the plums and cherries, meadowsweet, brambles, the strawberry, the hawthorn, applies, pears, service trees, and quinces.

(1) - Rosaniline (n.) A complex nitrogenous base, C20H21N3O, obtained by oxidizing a mixture of aniline and toluidine, as a colorless crystalline substance which forms red salts. These salts are essential components of many of the socalled aniline dyes, as fuchsine, aniline red, etc. By extension, any one of the series of substances derived from, or related to, rosaniline proper.