動詞 irradiate:

1. give spiritual insight to; in religion
   同義詞：enlighten
2. cast rays of light upon
3. expose to radiation
   同義詞：ray

ir.ra.di.ate

v.（動詞）
ir.ra.di.at.ed,ir.ra.di.at.ing,ir.ra.di.ates
v.tr.（及物動詞）

To expose to radiation.
使暴露在射線前
To treat with radiation:
用輻射處理：
例句：
irradiate farm produce so as to destroy bacteria.
照射農(nóng)產(chǎn)品以殺死細(xì)菌

To shed light on; illuminate.
照耀；照亮
To manifest in a manner suggesting the emission of light; radiate:
發(fā)散：象放射光線一樣呈現(xiàn)出來；發(fā)散：
例句：
irradiate goodness.
散發(fā)出善良

v.intr.Archaic （不及物動詞）【古語】
To send forth rays; radiate.
輻射：放射光線；輻射
To become radiant.
變得熠熠發(fā)光

來源：
Latin irrradi3re irradi3t- [to illuminate]
拉丁語 irrradi3re irradi3t- [照亮]
in- [on] * see in- 2
in- [在…上面] *參見 in-2
radi3re [to shine] * see radiate
radi3re [照耀] *參見 radiate

【引伸】
irra.dia.tive
adj.（形容詞）
irra.dia.tor
n.（名詞）