1
- consisting of many different and connected parts由许多部分组成的, 组合的; 合成的; 复合的：
a complex network of water channels.
综合水道网。
1.1
- not easy to analyse or understand; complicated or intricate难以分析的; 费解的; 错综复杂的：
a complex personality
复杂的性格
the situation is more complex than it appears.
情况比看起来要更为复杂。
2
- Mathematics denoting or involving numbers or quantities containing both a real and an imaginary part【数】复数的; 复的。
3
- Chemistry denoting an ion or molecule in which one or more groups are linked to a metal atom by coordinate bonds【化】配合的; 络合的。
1
- a group of similar buildings or facilities on the same site建筑群; 服务设施集中区：
a leisure complex
休闲中心
a complex of hotels.
旅馆群。
1.1
- a group or system of different things that are linked in a close or complicated way; a network综合体, 复合体; 网状系统：
a complex of mountain roads.
纵横交错的山路。
2
- Psychoanalysis a related group of repressed or partly repressed emotionally significant ideas which cause psychic conflict leading to abnormal mental states or behaviour【心理分析】情结, 情意综; 变态心理。
2.1
- informal a strong or disproportionate concern or anxiety about something〈非正式〉强烈（或过度）的关心（或忧虑）：
there's no point having a complex about losing your hair.
你过分担心掉头发是毫无道理的。
3
- Chemistry an ion or molecule in which one or more groups are linked to a metal atom by coordinate bonds【化】配合物; 络合物。
3.1
- any loosely bonded species formed by the association of two molecules复合物; 合成物; 聚合体：
cross-linked protein - DNA complexes.
交联蛋白质-脱氧核糖核酸组合物。
with obj.(一般作be complexed)
1- Chemistry make (an atom or compound) form a complex with another【化】使（原子, 化合物）配合; 使络合：
the DNA was complexed with the nuclear extract
使脱氧核糖核酸与细胞核提取物络合
as adj. complexed the complexed metal ion.络合金属离子。
1.1
- no obj. form a complex形成综合体, 组成复合体; 构成络合物：
these proteins are capable of complexing with VP16.
这些蛋白质能与鬼臼乙叉苷形成络合物。
派生词
complexation
noun （Chemistry 【化】）complexly
adverb词源
mid 17th cent. （in the sense 'group of related elements'）： from Latin complexus, past participle (used as a noun) of complectere 'embrace， comprise'， later associated with complexus 'plaited'; the adjective is partly via French complexe.