| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| rosacic | adjective | Pertaining to, or designating, an acid (called also lithic acid) found in certain red precipitates of urine. See Uric. |
| rosalia | noun | A form of melody in which a phrase or passage is successively repeated, each time a step or half step higher; a melodic sequence. |
| roseate | adjective | Full of roses; rosy; as, roseate bowers., resembling a rose in color or fragrance; esp., tinged with rose color; blooming; as, roseate beauty; her roseate lips. |
| rosebay | noun | the oleander., Any shrub of the genus Rhododendron., An herb (Epilobium spicatum) with showy purple flowers, common in Europe and North America; — called also great willow herb. |
| rosebud | noun | The flower of a rose before it opens, or when but partially open. |
| roseine | noun | See Magenta. |
| rosella | noun | A beautiful Australian parrakeet (Platycercus eximius) often kept as a cage bird. The head and back of the neck are scarlet, the throat is white, the back dark green varied with lighter green, and the breast yellow. |
| roselle | noun | a malvaceous plant (Hibiscus Sabdariffa) cultivated in the east and West Indies for its fleshy calyxes, which are used for making tarts and jelly and an acid drink. |
| roseola | noun | A rose-colored efflorescence upon the skin, occurring in circumscribed patches of little or no elevation and often alternately fading and reviving; also, an acute specific disease which is characterized by an eruption of this character; — called also rose rash. |
| rosette | noun | An imitation of a rose by means of ribbon or other material, — used as an ornament or a badge., An ornament in the form of a rose or roundel, -much used in decoration., A red color. See Roset., A rose burner. See under Rose., Any structure having a flowerlike form; especially, the group of five broad ambulacra on the upper side of the spatangoid and clypeastroid sea urchins. See Illust. of Spicule, and Sand dollar, under Sand., A flowerlike color marking; as, the rosettes on the leopard. |
| rosland | noun | heathy land; land full of heather; moorish or watery land. |
| rosolic | adjective | Pertaining to, or designating, a complex red dyestuff (called rosolic acid) which is analogous to rosaniline and aurin. It is produced by oxidizing a mixture of phenol and cresol, as a dark red amorphous mass, C20H16O3, which forms weak salts with bases, and stable ones with acids. Called also methyl aurin, and, formerly, corallin. |
| rostral | adjective | Of or pertaining to the beak or snout of an animal, or the beak of a ship; resembling a rostrum, esp., the rostra at Rome, or their decorations. |
| rostrum | noun | The beak or head of a ship., The Beaks; the stage or platform in the forum where orations, pleadings, funeral harangues, etc., were delivered; — so called because after the Latin war, it was adorned with the beaks of captured vessels; later, applied also to other platforms erected in Rome for the use of public orators., Hence, a stage for public speaking; the pulpit or platform occupied by an orator or public speaker., Any beaklike prolongation, esp. of the head of an animal, as the beak of birds., The beak, or sucking mouth parts, of Hemiptera., The snout of a gastropod mollusk. See Illust. of Littorina., The anterior, often spinelike, prolongation of the carapace of a crustacean, as in the lobster and the prawn., Same as Rostellum., The pipe to convey the distilling liquor into its receiver in the common alembic., A pair of forceps of various kinds, having a beaklike form. |