# radiate
## English
### Etymology 1

Learned borrowing from Latin radiātus, perfect passive participle of radiō (“to radiate, furnish with spokes, give out rays, radiate, shine”) (see -ate (verb-forming suffix)), from radius (“a spoke, ray”).

#### Pronunciation

* IPA: /ˈɹeɪdieɪt/
* Audio (Southern England):(file)

#### Verb

radiate (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.
** 1948 November and December, “Crewe M.P.D. to be Modernised”, in Railway Magazine, page 372:Crewe North Motive Power Depot is to be modernised completely. This includes the provision of a new coaling plant, ash handling plant, and two new locomotive sheds of the latest roundhouse type, each with 32 roads radiating from a 70-ft. dia. turntable.
** 1994, Great Britain. Parliament. House of Commons, Parliamentary Debates:Oban is not a terminus; its routes radiate by sea, rail and road.
** 2021 May 19, Philip Haigh, “Doncaster enhancements relying on DfT approval”, in RAIL, number 931, page 30:Doncaster is a rail hub in every sense. Passenger lines radiate in six directions, there are freight lines that bypass the station, extensive freight yards, a major works, and a rolling stock depot.
* (transitive) 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.
** 1706, John Locke, Elements of Natural Philosophy:Light radiates from luminous bodies directly to our eyes.
** 1988, Douglas Adams, The Long Dark Tea-Time of the Soul, William Heinemann Ltd, page 139:She raised her head, and carefully opened her eyes again, staring directly into the orange glow radiating through the thick glass.
* (transitive) To illuminate.
* To expose to ionizing radiation, such as by radiography.
* (transitive) To manifest oneself in a glowing manner.
** 1978 August 19, Harold Pickett, “New York, New York”, in Gay Community News, volume 6, number 5, page 8:Slim, sensual Richard Hell radiates a commanding coolness.
* (ecology, intransitive) To spread into new habitats, migrate.

##### Synonyms

* (to expose to radiation): irradiate

##### Derived terms

* radiator
* x-radiate

##### Related terms

* radial
* radiation
* radiative
* radio
* radius
* ray

##### Translations

    The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

### Etymology 2

Learned borrowing from Latin radiātus (see Etymology 1 and -ate (adjective-forming suffix) for more).

#### Pronunciation

* IPA: /ˈɹeɪdieɪt/, /ˈɹeɪdi.ət/
* Audio (Southern England):(file)

#### Adjective

radiate (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; (heraldry) radiant.
** 1915, Guy Cadogan Rothery, A. B. C. of Heraldry, page 240:[…] and (2) the radiate or Eastern crown, usually five rays being shown. The see of Ely bears the apocryphal coat of St. Ethelreda: gules, three open crowns or. Azure, three open crowns or, are the arms of […]
** 2005, Rebecca R. Raines, Signal Corps, Department of the Army, page 117:On a wreath of the colors argent and tenné four lightning flashes barbed radiate pilewise of the first, a Roman helm or garnished gules.
* (botany) Having parts radiating from the center, like the petals in many flowers.
* (botany) Consisting of a disc in which the florets are tubular.
* (biology) Having radial symmetry, like a sea star.
* (zoology) Belonging to the Radiata.

##### Translations
### Etymology 3

From a substantivation of the above adjective through the associated taxon's name (Radiata), see -ate (noun-forming suffix).

#### Noun

radiate (plural radiates)
* (zoology) One of the Radiata.

### Further reading

* “radiate”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
* “radiate”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
* “radiate”, in OneLook Dictionary Search.

### Anagrams

* airdate, ardaite, idea art, tiaraed

## Esperanto
### Adverb

radiate
* present adverbial passive participle of radii

## Italian
### Etymology 1
#### Verb

radiate
* second-person plural present subjunctive of radere

### Etymology 2
#### Verb

radiate
* inflection of radiare:
** second-person plural present indicative/subjunctive
** second-person plural imperative

### Etymology 3
#### Participle

radiate f pl
* feminine plural of radiato

### Anagrams

* aderita, adirate, ardiate, datarie, daterai

## Latin
### Verb

radiāte
* second-person plural present active imperative of radiō

## Spanish
### Verb

radiate
* second-person singular voseo imperative of radiar combined with te