Matching Words
2538 ResultsBelow are the words that matched your query.
Rubianic
- - pertaining to, or derived from, rubian; specifically, designating an acid called also ruberythrinic acid.
Rubicund
- adjective - inclined to a healthy reddish color often associated with outdoor life; "a ruddy complexion"; "Santa's rubicund cheeks"; "a fresh and sanguine complexion"
Rubidine
- - A nitrogenous base homologous with pyridine, obtained from coal tar as an oily liquid, C11H17N; also, any one of the group od metameric compounds of which rubidine is the type.
Rubidium
- noun - a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
Rubiform
- - Having the nature or quality of red; as, the rubiform rays of the sun.
Rudiment
- noun - the elementary stages of any subject (usually plural); "he mastered only the rudiments of geometry"
- the remains of a body part that was functional at an earlier stage of life; "Meckel's diverticulum is the rudiment of the embryonic yolk sac"
Rudistes
- - An extinct order or suborder of bivalve mollusks characteristic of the Cretaceous period; -- called also Rudista. See Illust. under Hippurite.
Rufiopin
- - A yellowish red crystalline substance related to anthracene, and obtained from opianic acid.