COMPLEX | English Meaning, Definition, and Pronunciation

mid 17th century (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

consisting of many different and connected parts

consisting of many different connected parts

• a complex network of water channels

denoting or involving numbers or quantities containing both a real and an imaginary part.

containing both real and imaginary part

denoting an ion or molecule in which one or more groups are linked to a metal atom by coordinate bonds

having one or more groups linked to metal atom

• in naming complex ions, the names of the ligands are cited first

a group or system of different things that are linked in a close or complicated way; a network

network

• a complex of mountain roads

a related group of repressed or partly repressed emotionally significant ideas which cause psychic conflict leading to abnormal mental states or behaviour.

group of repressed ideas

an ion or molecule in which one or more groups are linked to a metal atom by coordinate bonds

ion or molecule having one or more groups linked to metal atom

• two guanine bases can attach themselves to the same platinum atom, forming a stable complex

make (an atom or compound) form a complex with another

cause to form complex

• the DNA was complexed with the nuclear extract