词根词缀：photo-, phot-, -photic

【来源及含义】Greek: light; ultraviolet and infrared radiation; radiant energy

【相关词根词缀】 Etymologically related "light, shine, glow" word families: ethero-; fulg-; luco-; lumen-, lum-; luna, luni-; lustr-; phengo-; pheno-; phospho-; scinti-, scintill-; splendo-.

【同源单词】aphotesthesia, aphotic, aphototaxis, aphototropism, astrophotograph, astrophotographer

词根词缀：toxico-, toxic-, toxi-, tox-, toxin-, -toxically, -toxaemia, -toxemia, -toxaemic, -toxemic, -toxical, -toxy, -toxis, -toxicosis, -toxism, -toxia, -toxin, -toxicity

【来源及含义】Greek: poison

【相关词根词缀】 A cross reference of another word family that is related directly, or indirectly, with: "poison": veno-; viru-.

【同源单词】abstemious, acarotoxic, acetyldigitoxin, actinotoxemia, actinotoxin, adrenotoxin