词根：-med-, -medi-

【词根含义】：中间;医药

【词根来源】：“医药”的意义来源于拉丁语词根med-及其在拉丁语中派生的词汇mederi(治愈),medicus(医生),medicina(临床)和medicari(治疗)等；“中间”的意义来源于拉丁语形容词 medius, media, medium(中间的)。

【同源单词】：amid, medicable, medical, medicine, midday

词根：-terr-

【词根含义】：土地;恐惧

【词根来源】：来源于拉丁语名词terra, -ae, f(土地)和动词terreo, -ere, -ui, -itus(恐惧)。

【同源单词】：Mediterranean, terrain, terraqueous, terrible, terribly

词根词缀：medio-, medi-

【来源及含义】Latin: middle

【同源单词】admedial, ante meridian, antemeridian, anteromedial, anteromedian, aurea mediocritas

词根词缀：terr-, terra-, -ter

【来源及含义】Latin: earth, dry land, land

【相关描述】This unit presents many words that are used in references having to do with earth and land; that is, the loose, fragmented material that composes part of the surface of this planet that we live on.

Don't confuse this element with other words that are spelled in a similar way; such as, terrify, terrible.

【相关词根词缀】 Cross references of word families related directly, or indirectly, to: "land, ground, fields, soil, dirt, mud, clay, earth (world)": agra-; agrest-; agri-; agro-; argill-; choro-; chthon-; epeiro-; geo-; glob-; lut-; myso-; pedo-; pel-; rhyp-; soil-; sord-.

【同源单词】circumterrestrial, disinter, disinterment, exoterroid, extraterrestrial, extraterrestrial