Term: retrorocket: a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course
Broader: machine: any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks | Unrelated: roughcast: a coarse plaster for the surface of external walls
Broader: machine: any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks | Unrelated: nepenthaceae: coextensive with the genus Nepenthes
Broader: machine: any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks | Unrelated: stifle: joint between the femur and tibia in a quadruped; corresponds to the human knee
Broader: machine: any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks | Unrelated: sonchus: sow thistles
Broader: machine: any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks | Unrelated: polyvinyl-formaldehyde: a polymer of vinyl formaldehyde
Broader: machine: any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks | Unrelated: boston baked beans: dried navy beans baked slowly with molasses and salt pork
Broader: machine: any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks | Unrelated: flycatching warbler: any of numerous American wood warblers that feed on insects caught on the wing
Broader: machine: any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks | Unrelated: projection: the projection of an image from a film onto a screen
Broader: machine: any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks | Unrelated: chamber music: serious music performed by a small group of musicians
Broader: machine: any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks | Unrelated: twenty-twenty: normal visual acuity, as measured by the ability to read charts at a distance of 20 feet