词根：-chem-

【词根含义】：化学

【词根来源】：来源于希腊语khemia(炼金术)。

【同源单词】：biochemical, biochemistry, chemical, chemist, chemistry

词根：-phot-, -photo-

【词根含义】：光

【词根来源】：来源于希腊语phot, phos(光)。

【同源单词】：photon, photochemistry, photocopier, photocopy, photoelectric

词根词缀：chemo-, chem-, chemico-, chemi-, -chemist, -chemic, -chemical

【来源及含义】Arabic > Greek > Latin: the art of combining base metals [to make gold]; from Greek, chemia, “Egypt”, supposedly where the art of changing metals into gold existed

【同源单词】agrichemistry, agrochemical, alchemist, alchemy, allelochemics, allochemic

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