Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “detect”

See all translations

detect

verb [T] uk   /dɪˈtekt/ us  
C1 to notice something that is partly hidden or not clear, or to discover something, especially using a special method: Some sounds cannot be detected by the human ear. Financial experts have detected signs that the economy is beginning to improve.C1 to discover something, usually using special equipment: High levels of lead were detected in the atmosphere. Radar equipment is used to detect (= find the position of) enemy aircraft.
More examples
detectable
adjective uk   /dɪˈtek.tə.bl̩/ us  
There has been no detectable change in the patient's condition.
(Definition of detect from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of detect?
Add Cambridge dictionaries to your browser to your website

Definitions of “detect” in other dictionaries

Word of the Day

hyphen

the symbol -, used to join two words together, or to show that a word has been divided into two parts at the end of one line and the beginning of the next

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More