词根：magn, maj, max = great（伟大的；壮大的）

  来自拉丁语的magn 意为great。同义词根有来自拉丁语的grand,maj,max和来自希腊语的coloss,maha,mega/megalo,metro等。
   （*拉丁文magnus (=great),major (= greater),maximus(=greatest)——英文字根字典）

同源词：

1. magnanimous adj.宽宠大量，有雅量的（有宽大的心的magn (=great) + anim (=mind)）
  magnanimity n.宽宏大量，雅量
  She could't have been more magnanimous when our ball broke her windows.我们的球打破她的窗户时，她表现得宽容极了。

2. magnate n.要人，有权势的人；（工商界的）寡头，巨头，大王 *ate(=person who)
  territorial magnates 大地主；oil magnate 石油大王

3. magnet n.磁石，磁跌；有吸引力的人（或物）
  bar magnet 条形的磁铁 U/horseshoe magnet U形/马蹄形磁铁；natural/permanent magnet 天然磁铁

4. magnetic adj.磁石的，有磁性的，磁力的；有吸引力的，有魅力的
  magnetic field 磁场；magnetic needle 磁针；magnetic tape 磁带；magnetic smile /personality 有魅力的微笑/性格

5. magnetism n.[物]磁力；磁学；魅力

词根词缀：acerb-, acerbo-; acri-, acrid-

【来源及含义】Latin: bitter, sharp, sour, stinging

【相关描述】Formed from a blend of Latin acer- (feminine acris, neuter acre) which are both related to Latin acus, "needle"; acies, "sharp edge, point, the front of an army, line of battle, battle array"; and acuere, "to sharpen".

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "sour, sharp": aceto-; acid-; acies- (not "sour"); acuto- (not "sour"); oxy-; pung- (not "sour").

【同源单词】acerbate, acerbic, acerbity, acerbophobia, acerophobia, acerose

词根词缀：acuto-, acut-, acuti-, acu-, -cusis; also, agu-

【来源及含义】Latin: sharp, to sharpen, point; needle, pin

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "sour, sharp": acerb-; aceto-; acid-; acies- (not "sour"); oxy-; pung- (not "sour").

【同源单词】acicula, acicular, acicular ice, aciculate, aciculate, aciculiform

词根词缀：belono-, belon-

【来源及含义】Greek: needle

【同源单词】belonephobia, belonoid, belonoskiascopy

词根词缀：cente-, -centesis

【来源及含义】Greek: perforation, puncture, or tapping, as with an aspirator or needle

【同源单词】abdominal paracentesis, abdominalcentesis, abdominocentesis, amniocentesis, arthrocentesis, bathycentesis