Irradiate vs. Radiate — What's the Difference?

To expose to radiation.

Emit (energy, especially light or heat) in the form of rays or waves

To treat with radiation

Diverge or spread from or as if from a central point

To shed light on; illuminate.

Arranged in or having a radial pattern

To manifest in a manner suggesting the emission of light; radiate

To send out rays or waves.

To send forth rays; radiate.

To issue or emerge in rays or waves

To become radiant.

To extend in straight lines from or toward a center; diverge or converge like rays

To illuminate; to brighten; to shine light on.

To spread into new habitats and thereby diverge or diversify. Used of a group of organisms.

To enlighten intellectually; to illuminate.

To emit (light or energy) in rays or waves.

To animate by heat or light.

To send or spread out from or as if from a center

To radiate, shed, or diffuse.

To irradiate or illuminate (an object).

To decorate with shining ornaments.

To manifest in a glowing manner

(intransitive) To emit rays; to shine.

(Botany) Having rays or raylike parts, as in the flower heads of daisies.

(science) To apply radiation to. Category:en:Radioactivity

(Biology) Characterized by radial symmetry.

(medical) To treat (a tumour or cancerous growth) with radiation.

Surrounded with rays

(transitive) To treat (food) with ionizing radiation in order to destroy bacteria.

To extend, send or spread out from a center like radii.

Illuminated; irradiated; made brilliant or splendid.

(transitive) To emit rays or waves.

To throw rays of light upon; to illuminate; to brighten; to adorn with luster.

(intransitive) To come out or proceed in rays or waves.

To enlighten intellectually; to illuminate; as, to irradiate the mind.

(transitive) To illuminate.

To animate by heat or light.

To expose to ionizing radiation, such as by radiography.

To radiate, shed, or diffuse.

(transitive) To manifest oneself in a glowing manner.

To expose to radiation of any kind, especially ionizing radiation; as, to sterilize food by irradiating it with gamma rays; one can cause mutations in bacteria by irradiating them with ultraviolet light.

(ecology, intransitive) to spread into new habitats, migrate.

To emit rays; to shine.

Radiating from a center; having rays or parts diverging from a center; radiated.

Illuminated; irradiated.

Surrounded by rays, such as the head of a saint in a religious picture.

Give spiritual insight to; in religion

(botany) Having parts radiating from the center, like the petals in many flowers.

Cast rays of light upon

(botany) Consisting of a disc in which the florets are tubular.

Expose to radiation;

(biology) Having radial symmetry, like a seastar.

(zoology) Belonging to the Radiata.

(zoology) One of the Radiata.

To emit rays; to be radiant; to shine.

To proceed in direct lines from a point or surface; to issue in rays, as light or heat.

To emit or send out in direct lines from a point or points; as, to radiate heat.

To enlighten; to illuminate; to shed light or brightness on; to irradiate.

Having rays or parts diverging from a center; radiated; as, a radiate crystal.

Having in a capitulum large ray florets which are unlike the disk florets, as in the aster, daisy, etc.

Belonging to the Radiata.

One of the Radiata.

Send out rays or waves;

Send out real or metaphoric rays;

Extend or spread outward from a center or focus or inward towards a center;

Especially of the complexion: show a strong bright color, such as red or pink;

Cause to be seen by emitting light as if in rays;

Experience a feeling of well-being or happiness, as from good health or an intense emotion;

Issue or emerge in rays or waves;

Spread into new habitats and produce variety or variegate;