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