Term: optics: the branch of physics that studies the physical properties of light
Broader: science: a particular branch of scientific knowledge | Unrelated: rein: one of a pair of long straps (usually connected to the bit or the headpiece) used to control a horse
Broader: science: a particular branch of scientific knowledge | Unrelated: bus traffic: buses coming and going
Broader: science: a particular branch of scientific knowledge | Unrelated: mastotermes: primitive genus of termites; mostly extinct; sometimes considered the most primitive Isoptera
Broader: science: a particular branch of scientific knowledge | Unrelated: half cross stitch: a single cross stitch at a diagonal
Broader: science: a particular branch of scientific knowledge | Unrelated: food bank: a place where food is contributed and made available to those in need
Broader: science: a particular branch of scientific knowledge | Unrelated: dip: (physics) the angle that a magnetic needle makes with the plane of the horizon
Broader: science: a particular branch of scientific knowledge | Unrelated: drove: a group of animals (a herd or flock) moving together
Broader: science: a particular branch of scientific knowledge | Unrelated: christmas: period extending from Dec. 24 to Jan. 6
Broader: science: a particular branch of scientific knowledge | Unrelated: implant: a prosthesis placed permanently in tissue
Broader: science: a particular branch of scientific knowledge | Unrelated: reading room: a room set aside for reading