radiate[rā′dē āt′; for adj., -it, -āt′]
- The definition of radiate is something with rays that come from a shared center.
An example of radiate is the appearance of petals in a flower; radiate formation of petals.
- Radiate is defined as to give off heat or light, or extend out from a shared center.
- An example of radiate is heat and light coming from a camp fire.
- An example of radiate are petals extending from the center of a flower.
Heat and light radiate from this campfire.
intransitive verbradiated, radiating
- to send out rays of heat, light, etc.; be radiant
- to come forth or spread out in rays: heat radiating from a stove
- to branch out in lines from a center: highways radiating from a city
Origin of radiate; from Classical Latin radiatus, past participle of radiare, to radiate ; from radius, ray: see radius
- to send out (heat, light, etc.) in rays
- to give forth or spread (happiness, love, etc.) as if from a center
- having rays or raylike parts; radial
- Bot. having ray flowers or florets
- Zool. having radial symmetry, as a jellyfish
verbra·di·at·ed, ra·di·at·ing, ra·di·ates
- To send out rays or waves.
- To issue or emerge in rays or waves: Heat radiated from the stove.
- To extend in straight lines from or toward a center; diverge or converge like rays: Spokes radiate from a wheel hub.
- To spread into new habitats and thereby diverge or diversify. Used of a group of organisms.
- To emit (light or energy) in rays or waves.
- To send or spread out from or as if from a center: a cactus that radiates spines.
- To irradiate or illuminate (an object).
- To manifest in a glowing manner: a leader who radiates confidence.
- Botany Having rays or raylike parts, as in the flower heads of daisies.
- Biology Characterized by radial symmetry.
- Surrounded with rays: a radiate head on a coin.
Origin of radiateLatin radiāre, radiāt-, to emit beams, from radius, ray.
(third-person singular simple present radiates, present participle radiating, simple past and past participle radiated)
- To extend, send or spread out from a center like radii.
- To emit rays or waves.
- The stove radiates heat.
- (intransitive) To come out or proceed in rays or waves.
- The heat radiates from a stove.
- To illuminate.
- To expose to ionizing radiation, such as by radiography.
- To manifest oneself in a glowing manner.
- (ecology, intransitive) to spread into new habitats, migrate.
(comparative more radiate, superlative most radiate)
- Radiating from a center; having rays or parts diverging from a center; radiated.
- a radiate crystal
- Surrounded by rays, such as the head of a saint in a religious picture.
- (botany) Having parts radiating from the center, like the petals in many flowers.
- (biology) Having radial symmetry, like a seastar.
- (zoology) Belonging to the Radiata.
- (zoology) One of the Radiata.