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：stereo-, stere-

【来源及含义】Greek: solid, firm, hard; three-dimensional

【同源单词】stereochemistry, stereochromy, stereognosis, stereognostic, stereogram, stereograph