Term: overhead projector: a projector operated by a speaker; projects the image over the speaker's head
Broader: artifact: a man-made object taken as a whole | Unrelated: deprecation: the act of expressing disapproval (especially of yourself)
Broader: artifact: a man-made object taken as a whole | Unrelated: communication: a connection allowing access between persons or places
Broader: artifact: a man-made object taken as a whole | Unrelated: colony: a place where a group of people with the same interest or occupation are concentrated
Broader: artifact: a man-made object taken as a whole | Unrelated: epidemiology: the branch of medical science dealing with the transmission and control of disease
Broader: artifact: a man-made object taken as a whole | Unrelated: manifold: a set of points such as those of a closed surface or an analogue in three or more dimensions
Broader: artifact: a man-made object taken as a whole | Unrelated: drilling: the act of drilling
Broader: artifact: a man-made object taken as a whole | Unrelated: construction: the commercial activity involved in repairing old structures or constructing new ones
Broader: artifact: a man-made object taken as a whole | Unrelated: cluster of differentiation 4: a glycoprotein that is found primarily on the surface of helper T cells
Broader: artifact: a man-made object taken as a whole | Unrelated: omelet pan: pan for cooking omelets
Broader: artifact: a man-made object taken as a whole | Unrelated: condiment: a preparation (a sauce or relish or spice) to enhance flavor or enjoyment