- 1Consisting of many different and connected parts: a complex network of water channelsMore example sentences
- The plant's shoots receive nourishment from a complex network of connections to the roots.
- The hips, on the other hand, are a very large and complex joint with many different muscles and attachments.
- As the vocal folds consist of a complex web of different muscle fibres, the tension and density of vocal folds can vary considerably.
- 1.1Not easy to analyse or understand; complicated or intricate: a complex personality the situation is more complex than it appearsMore example sentences
- Miller's writing is excellent, and he makes some rather complex biochemistry easy to understand.
- In other words, the problems are much more complex than Mr. Baker understands or cares to discuss.
- However, the whole matter of indirect tax liability is devilishly complex and difficult to understand.
- 2 Mathematics Denoting or involving numbers or quantities containing both a real and an imaginary part.More example sentences
- He also classified real and complex numbers into classes which are algebraically independent.
- Bombelli was the first person to write down the rules for addition, subtraction and multiplication of complex numbers.
- In addition to his work on geometry, Bolyai developed a rigorous geometric concept of complex numbers as ordered pairs of real numbers.
- 3 Chemistry Denoting an ion or molecule in which one or more groups are linked to a metal atom by coordinate bonds: in naming complex ions, the names of the ligands are cited firstMore example sentences
- Often the atoms comprising a complex molecule can be arranged in several ways and still satisfy the octet rule for each atom.
- Carbohydrates can form more complex molecules when linked with other molecules.
- This process occurs when oxygen atoms bond to an iron atom at the center of a complex protein molecule known as oxyhemoglobin.
nounBack to top
- 1A group or system of different things that are linked in a close or complicated way; a network: a complex of mountain roadsMore example sentences
- ‘Network’ includes a complex of interconnected computer or communication systems of any type.
- The complex of field systems and large stone walls extend from the north western slopes of Mount Brandon to within the boundaries of Dingle.
- The wheel itself was split into many different complexes.
- 1.1A group of similar buildings or facilities on the same site: a leisure complex a complex of hotelsMore example sentences
- He has watched as new building complexes have risen over sites he knows contain more lost tombstones.
- Dentists' offices, doctors' offices and markets were all built into the apartment complexes to make life more efficient.
- About 70 families were left homeless by the fire, which destroyed three buildings in the apartment complex.
- 2 Psychoanalysis A related group of repressed or partly repressed emotionally significant ideas which cause psychic conflict leading to abnormal mental states or behaviour.More example sentences
- For about six to eight hours you seem to have no physical experience of the chronic muscular tensions that Reich says are symptomatic of unhealthy mental or emotional complexes.
- Jung, Freud and comrades helped to systematise intuitive skill while deciphering some psychic complexes of their own Europe in turmoil.
- Like Jack, David had a complex and conflicted history of diagnoses, treatments and medication.
- 2.1 • informal A strong or disproportionate concern or anxiety about something: there’s no point having a complex about losing your hairMore example sentences
- I had such a complex about it that I never noticed that I was actually quite fair compared to everyone in the class.
- He was also a bookworm who had a complex about his family's poverty and a fan of kung fu and violent movies.
- Perhaps I should get a complex about the Jonah joke.
- 3 Chemistry An ion or molecule in which one or more groups are linked to a metal atom by coordinate bonds: two guanine bases can attach themselves to the same platinum atom, forming a stable complexMore example sentences
- It is known that metal cations form complexes with anionic phosphodiester groups and carbonyl oxygens in the glycerol backbone of phosphocholine lipids.
- It correctly accounts for the structures of most covalent compounds of elements other than transition metal complexes.
- If two molecules or complexes have the same molecular formula they are candidates for stereochemical analysis.
- 3.1Any loosely bonded species formed by the association of two molecules: cross-linked protein-DNA complexesMore example sentences
- This might occur in newly synthesized proteins to aid in folding or in mature proteins to control their activity or association with other protein complexes.
- The chromo-domain and the related chromo-shadow domain mediate the formation of protein complexes and their association with chromatin.
- It is not, however, clear whether association of ternary complexes is necessary to confer photoactivity, for instance by a stabilization effect.
verb[with object] Chemistry Back to top
- Make (an atom or compound) form a complex with another: the DNA was complexed with the nuclear extractMore example sentences
- Chloride is complexed with the silver chromate and fixed in a circular pattern around the entry point.
- They may reduce mineral metal ions through direct contact or by reducing complexed ions.
- Iron is mostly complexed with the organic ligands or colloids that are very abundant in natural seawater.
( Chemistry )
- More example sentences
- The resulting NTA surface is activated by complexation of Cu 2 + ions rendering it capable of reversible immobilization of His-tagged proteins.
- These results can be understood on the basis of preferential complexation of PicoGreen with base paired structures assumed by DNA following both intramolecular and intermolecular aggregation.
- In our analysis of complexation of lipids via water bridging, we do not distinguish between the two types of hydrogen-bonded interactions between cholesterol and water, placing them both in the general binding mode category, WB.
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- As it is, the somewhat uniform and monolithic representation of ‘the West’ mars the attempt to produce a nuanced and subtle reading of cultural hybridity as the inevitable product of a complexly interwoven global milieu.
- In contradiction to the usual concept of poetry as dense and academic, complexly layered with meaning and allusion, McGarragle is hoping to hook audiences with ‘in-between’ poetry.
- Modern fathers are complex - and they have to be complexly, not crudely, managed to get the best out of them.
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.