词根词缀：bio-, bi-, -bia, -bial, -bian, -bion, -biont, -bius, -biosis, -bium, -biotic, -biotical

【来源及含义】Greek: life; living, live, alive

【相关描述】Don’t confuse this element with another bi- which means "two".

【相关词根词缀】 Related life, live-word units: anima-; -cole; vita-; viva-.

【同源单词】abiatrophy, abiocoen, abiogenesis, abiogenetic, abiogenetically, abiogenic

词根词缀：grapho-, graph-, -graph, -graphy, -grapher, -graphia

【来源及含义】Greek: to scratch; to write, to record, to draw, to describe; that which is written or described

【相关描述】As indicated at the bottom of this page, there are a significantly large number of graphic word-entry groups in this unit. Such an extensive listing is provided to show how important the grapho- element is to the English language.

【相关词根词缀】Related "writing" word units: glypto-; gram-; scrib-, script-.

【同源单词】abdominal aortography, accelerograph, acoustic agraphia, acrography, actinograph, actinography

词根词缀：oceano-, ocean-

【来源及含义】Greek > Latin: "the great river encompassing the whole earth"; hence, the "great Outward Sea" [as opposed to the "Inward" or Mediterranean]; the ocean

【相关词根词缀】Inter-related cross references, directly or indirectly, involving the "sea" and the "ocean" bodies of water: abysso- (bottomless); Atlantic; batho-, bathy- (depth); bentho- (deep, depth); halio-, halo- (salt or "the sea"); mare, mari- (sea); necto-, nekto- (swimming); pelago- (sea, ocean); plankto- (drifting); thalasso- (sea, ocean). Cross references of word families that are related directly, or indirectly, to: "river, stream": amni-; fluvio-; meand-; potamo-; ripari-.

【同源单词】Arctic Ocean, Atlantic Ocean, bio-oceanography, Indian Ocean, ocean, ocean energy