Definition that contains refracting telescope
- glass a small refracting telescope
- galileo Italian astronomer and mathematician who was the first to use a telescope to study the stars; demonstrated that different weights descend at the same rate; perfected the refracting telescope that enabled him to make many discoveries (1564-1642)
- spyglass a small refracting telescope
- galileo galilei Italian astronomer and mathematician who was the first to use a telescope to study the stars; demonstrated that different weights descend at the same rate; perfected the refracting telescope that enabled him to make many discoveries (1564-1642)
- field glass a small refracting telescope
- galilean telescope a type of refracting telescope that is no longer used in astronomy