1 ADJ [ADJ n] Demographic means relating to or concerning demography.
2 N‑PLURAL The demographics of a place or society are the statistics relating to the people who live there. □ [+ of ] …the changing demographics of the United States.
3 N‑SING In business, a demographic is a group of people in a society, especially people in a particular age group. [BUSINESS ] □ Most of our listeners are in the 25–39 demographic.
de|mog|ra|phy /d I mɒ grəfi/ N‑UNCOUNT Demography is the study of the changes in numbers of births, deaths, marriages, and cases of disease in a community over a period of time. ● de|mog|ra|pher (demographers ) N‑COUNT □ …a politically astute economist and demographer.
de|mol|ish /d I mɒ l I ʃ/ (demolishes , demolishing , demolished )
1 VERB To demolish something such as a building means to destroy it completely. □ [V n] A storm moved directly over the island, demolishing buildings and flooding streets.
2 VERB If you demolish someone's ideas or arguments, you prove that they are completely wrong or unreasonable. □ [V n] Our intention was to demolish the rumours that have surrounded him.
demo|li|tion /de məl I ʃ ə n/ (demolitions ) N‑VAR The demolition of a building is the act of deliberately destroying it, often in order to build something else in its place. □ The project required the total demolition of the old bridge.
de|mon /diː mən/ (demons )
1 N‑COUNT A demon is an evil spirit. □ …a woman possessed by demons.
2 N‑COUNT If you approve of someone because they are very skilled at what they do or because they do it energetically, you can say that they do it like a demon . [APPROVAL ] □ He played like a demon.
de|mon|ic /d I mɒ n I k/ ADJ [usu ADJ n] Demonic means coming from or belonging to a demon or being like a demon. □ …demonic forces. □ …a demonic grin.
de|mon|ize /diː məna I z/ (demonizes , demonizing , demonized ) in BRIT, also use demonise VERB If people demonize someone, they convince themselves that that person is evil. □ [V n] Each side began to demonize the other.
de|mon|ol|ogy /diː mənɒ lədʒi/ N‑UNCOUNT Demonology is a set of beliefs which says that a particular situation or group of people is evil or unacceptable. □ …the usual deranged Right-wing stereotype of fascist Left demonology.
de|mon|strable /d I mɒ nstrəb ə l/ ADJ [usu ADJ n] A demonstrable fact or quality can be shown to be true or to exist. [FORMAL ] □ The road safety programme is having a demonstrable effect on road users. ● de|mon|strably /d I mɒ nstrəbli/ ADV □ …demonstrably false statements.
dem|on|strate ◆◇◇ /de mənstre I t/ (demonstrates , demonstrating , demonstrated )
1 VERB To demonstrate a fact means to make it clear to people. □ [V n] The study also demonstrated a direct link between obesity and mortality. □ [V that] You have to demonstrate that you are reliable. □ [V + to ] They are anxious to demonstrate to the voters that they have practical policies. □ [V wh] He's demonstrated how a campaign based on domestic issues can move votes.
2 VERB If you demonstrate a particular skill, quality, or feeling, you show by your actions that you have it. □ [V n] Have they, for example, demonstrated a commitment to democracy?
3 VERB When people demonstrate , they march or gather somewhere to show their opposition to something or their support for something. □ [V + against ] 30,000 angry farmers demonstrated against possible cuts in subsidies. □ [V + for ] In the cities vast crowds have been demonstrating for change. □ [V ] Thousands of people demonstrated outside the parliament building.
4 VERB If you demonstrate something, you show people how it works or how to do it. □ [V n] The company demonstrated an app for surgeons that showed X-rays on the screen. □ [V how] A style consultant will demonstrate how to dress to impress. SYNONYMS demonstrate VERB
1
prove: …trying to prove how groups of animals have evolved.
show: Research shows that a high-fibre diet may protect you from bowel cancer.
establish: Medical tests established that she was not their own child.
indicate: This indicates whether remedies are suitable for children.
3
march: The demonstrators marched through the capital chanting slogans and demanding free elections.
protest: The students were protesting at overcrowding in the university hostels.
picket: 100 union members and supporters picketed outside.
dem|on|stra|tion ◆◇◇ /de mənstre I ʃ ə n/ (demonstrations )
1 N‑COUNT A demonstration is a march or gathering which people take part in to show their opposition to something or their support for something. □ Riot police broke up a demonstration by students.
2 N‑COUNT A demonstration of something is a talk by someone who shows you how to do it or how it works. □ …a cookery demonstration.
3 N‑COUNT A demonstration of a fact or situation is a clear proof of it. □ [+ of ] This is a clear demonstration of how technology has changed.
4 N‑COUNT A demonstration of a quality or feeling is an expression of it. □ [+ of ] There's been no public demonstration of opposition to the President. SYNONYMS demonstration NOUN