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：litho-, lith-, -lith, -lithic, -lite, -liths, -lites

【来源及含义】Greek: stone, rock; hard consolidated mineral matter; hard matter formed from mineral and earth material; hard substance that is solid

【相关词根词缀】 Related "stone, rock" word families: lapid-; petro-; saxi-; stele-.

【同源单词】abyssolith, acaustobiolith, acrolith, aerolite, allotriolith, amygdalolith

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：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