词根词缀：auto-, aut-

【来源及含义】Greek: self, same, spontaneous; directed from within

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units dealing with "equal, identical, same, similar": emul-; equ-, equi-; homeo-; homo-; iso-; pari-; peer; rhomb-; syn-; tauto-.

【同源单词】ambulatory automatism, autacoid, autacoidal, autaesthesy, autagonistophilia, autantonym

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：tropho-, troph-, -trophy, -trophs, -trophically, -trophic, -trophous

【来源及含义】Greek: food, nutrition, nourishment; development

【相关描述】Don't confuse this tropho-, -trophy element with tropo-, meaning "turn, turning," etc.

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "food, nutrition, nourishment": alimento-; broma-; carno-; cibo-; esculent-; sitio-; Eating Crawling Snacks; Eating: Carnivorous-Plant "Pets"; Eating: Folivory or Leaf Eaters; Eating: Omnivorous.

【同源单词】abiatrophy, abiotrophia, abiotrophic, abiotrophy, acardiotrophia, allogotrophia