An oblast of Russia. / A city, the administrative center of Ryazan Oblast, Russia, 196 kilometres south of Moscow.

line of battle / The area in which one concentrates one's resources on a struggle

Alternative form of biomineralize

(intransitive) To make a short, loud, explosive noise with the vocal organs (said of animals, especially dogs). / (intransitive) To make a clamor; to make importunate outcries.