long thick piece of wood or metal or concrete, etc., used in construction | (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance |
a gymnastic apparatus used by women gymnasts | the apparent enlargement of a bright object when viewed against a dark background |
the broad side of a ship | (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus |
(nautical) breadth amidships | (physiology) the spread of sensory neural impulses in the cortex |
a signal transmitted along a narrow path; guides airplane pilots in darkness or bad weather | a column of light (as from a beacon) |
a column of light (as from a beacon) | the condition of being exposed to radiation |
a group of nearly parallel lines of electromagnetic radiation | |