1.incompatible a．不能和谐共存的（not able to exist in harmony or agreement）

词根记忆：in（不）+compatible(和谐的)--不能和谐共存的

例：The cult of female domesticity was incompatible with women's participation in social activism.

派生词：incompatibly( ad.矛盾地；不相容地)

2.inconclusive a．非决定性的，无结果的（leading to no conclusion or definite result）

词根记忆：in（不）+con(加强)+clus(关闭，停止)+iVe(…的)--不能强行停止的--非决定性的，无结果的

例：An inconclusive polygraph test result is sometimes unfairly held against the examinee.

派生词：inconclusively( ad.非决定性地)

同根词：exclusive(a．独有的；排外的)

3.inconsistent a．不一致的，矛盾的(not compatible)

词根记忆：in（不）+consistent(一致的)--不一致的，矛盾的

例：Two hypotheses are inconsistent with each other.

派生词：inconsistency(n.不一致，矛盾)

4.incorporate v.合并，并入(to combine)

词根记忆：in（进入）+corpor(体)+ate--成为一体--合并

例：In the 1960's the Mexican American communit3t began to incorporate the customs of other ethnic groups.

派生词：incorporation(n.合并)

5.increment n．增量;增加(increase)

词根记忆：in（进入）+cre(增加)+ment--增加

例：The athlete added weights to the barbells in five-pound increments.

同根词：accretion(n.自然增大)

6.incubate v.孵化（to sit on(eggs)so as to hatch by the warmth of the body); 酝酿

词根记忆：in（里面）+cub(睡)+ate--睡在里面--孵化

例：In contrast to some fish, whose eggs require months to incubate, the Rio Grande silvery minnow produces eggs that hatch in about 24 hours, yielding larvae that can swim in just three to four days.

派生词：incubation(n．孵化；潜伏期)

同根词：cubicle(n.小卧室)

7.incur v.招致（to beget);遭受，遭遇（to become subject to）

词根记忆：in（进入）+cur(跑：发生)--使发生--招致；遭受

例：Companies that seek legal protection from import competition may incur legal costs.

8.incursron n.侵犯，入侵(raid)

例：In the 1860's the Byzantine Empire began to recover from Arab incursions.

9.indenture n.契约(a contract binding one person to work for another for a given period of time);v.以契约约束(to bind by or as if by indenture)

词根记忆：in+dent(牙齿)+ure(状态)--原指古代师徒间分割成锯齿状的契约--以契约约束

例：indentured servants契约工