1. (noun) a column of light (as from a beacon)

• beam
• beam of light
• light beam
• ray
• ray of light
• shaft
• shaft of light

2. (noun) (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

• actinotherapy
• radiation
• radiation therapy
• radiotherapy

1. (noun) the condition of being exposed to radiation

• condition
• status

2. (noun) a column of light (as from a beacon)

• light
• visible light
• visible radiation

3. (noun) (physiology) the spread of sensory neural impulses in the cortex

• spread
• spreading

4. (noun) the apparent enlargement of a bright object when viewed against a dark background

• illusion
• semblance

5. (noun) (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus

• generalisation
• generalization
• stimulus generalisation
• stimulus generalization

6. (noun) (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

• therapy

1. (noun) a column of light (as from a beacon)

• heat ray
• high beam
• laser beam
• low beam
• moon ray
• moon-ray
• moonbeam
• sunbeam
• sunray

2. (noun) (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

• curietherapy
• radium therapy
• phototherapy
• x-ray therapy

1. (noun) (physiology) the spread of sensory neural impulses in the cortex

• physiology

2. (noun) (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

• medical specialty
• medicine

1. (noun) the condition of being exposed to radiation

• irradiate
• ray

2. (noun) a column of light (as from a beacon)

• beam
• shine
• beaming
• beamy
• effulgent
• radiant
• refulgent
• irradiate
• ray

3. (noun) (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

• radiologist
• radiotherapist