Term: optical telescope: an astronomical telescope designed to collect and record light from cosmic sources
Broader: astronomical telescope: any telescope designed to collect and record electromagnetic radiation from cosmic sources | Unrelated: deep water: serious trouble
Broader: astronomical telescope: any telescope designed to collect and record electromagnetic radiation from cosmic sources | Unrelated: watermelon: large oblong or roundish melon with a hard green rind and sweet watery red or occasionally yellowish pulp
Broader: astronomical telescope: any telescope designed to collect and record electromagnetic radiation from cosmic sources | Unrelated: thiosulfil: trade name for a sulfonamide antibacterial
Broader: astronomical telescope: any telescope designed to collect and record electromagnetic radiation from cosmic sources | Unrelated: nimbleness: intelligence as revealed by quickness and alertness of mind
Broader: astronomical telescope: any telescope designed to collect and record electromagnetic radiation from cosmic sources | Unrelated: graviton: a gauge boson that mediates the (extremely weak) gravitational interactions between particles
Broader: astronomical telescope: any telescope designed to collect and record electromagnetic radiation from cosmic sources | Unrelated: skateboarder: someone who skates on a skateboard
Broader: astronomical telescope: any telescope designed to collect and record electromagnetic radiation from cosmic sources | Unrelated: clothes tree: an upright pole with pegs or hooks on which to hang clothing
Broader: astronomical telescope: any telescope designed to collect and record electromagnetic radiation from cosmic sources | Unrelated: dolichotis: maras
Broader: astronomical telescope: any telescope designed to collect and record electromagnetic radiation from cosmic sources | Unrelated: intent: the intended meaning of a communication
Broader: astronomical telescope: any telescope designed to collect and record electromagnetic radiation from cosmic sources | Unrelated: adulterant: any substance that lessens the purity or effectiveness of a substance