前缀：tetr-

【词根含义】：四

词根：stetho = chest （胸）

stethoscope 听诊器

前缀：tetra- 表示“四”

tetracycline 四环素（tetra+cycl环，圈＋ine素）

tetragon 四角形（tetra+gon角）

前缀：tetra- 四(在元音前作tetr-)

tetracycline 四环素

tetrachord 四弦乐器

tetrode 四极管

tetrasyllable 四音节词

tetragon 四角形

tetraoxide 四氧化物

词根词缀：stetho-, steth-

【来源及含义】Greek: chest, breast

【相关词根词缀】 Cross references of word families that are related, partially or totally, to: "breast, breasts, chest": mammill-; mammo-; masto-; mastoido-; mazo-; pectoro-; pleuro-; sterno-; thorac-.

【同源单词】electrostethograph, phonostethograph, photostethoscope, stethacoustic, stethalgia, stethemia

词根词缀：tetan-, tetano-, tetani-

【来源及含义】Greek: tension, especially a convulsive tension; muscle spasm or tetanus, an infectious disease characterized by muscle spasms

【同源单词】artificial tetanus, ascending tetanus, cephalic tetanus, chronic tetanus, cryptogenic tetanus, descending tetanus

词根词缀：tetart-, tetarto-

【来源及含义】Greek: one fourth

【同源单词】tetartanopia, tetartanopic, tetartohedral, tetartohedron

词根词缀：tetra-, tetr-

【来源及含义】Greek: four; a number used as a prefix

【相关词根词缀】 Cross references of word families that are related, partially or totally, to: "four, fourth": quadri-; quatr-; tessara-.

【同源单词】rotundo-tetragonal, tessaraglot, tetrabasic, tetrablastic, tetrabrach, tetrabrachius