As-trŏg'no-sy, n.
n. [Gr. ἄστρον, star, and γνῶσις, knowledge, from γνῶναι, aorist infinitive, to know.] The science of the stars in respect to their magnitudes, appearance, &c. Bouvier.
n. [Gr. ἄστρον, star, and γνῶσις, knowledge, from γνῶναι, aorist infinitive, to know.] The science of the stars in respect to their magnitudes, appearance, &c. Bouvier.