She detected high levels of lead in her drinking water.
Examples of detect
detect
They asked about a company that uses dogs to detect live bedbugs and their eggs.
From the post-gazette.com
This would likely make them very difficult for echolocating predators to detect.
From the sciencedaily.com
It is uncommon to detect relapse with CT alone in a patient who is feeling well.
From the sciencedaily.com
The scientists work on possibilities to detect pre-seizure changes in the brain.
From the sciencedaily.com
It uses the phone's motion sensors to detect vibrations from tapping the screen.
From the newscientist.com
Together they should detect the four women out of every 100 with ovarian cancer.
From the telegraph.co.uk
Although you may detect a bitter taste, you can disguise it with a bit of honey.
From the nzherald.co.nz
In road and track driving of HSV models, I was unable to detect any differences.
From the au.news.yahoo.com
That said, the carrot is tough to detect and adds a pleasing, natural sweetness.
From the sacbee.com
More examples
Discover or determine the existence, presence, or fact of; "She detected high levels of lead in her drinking water"; "We found traces of lead in the paint"
(detected) perceived or discerned; "the detected micrometeoritic material"
(detecting) detection: a police investigation to determine the perpetrator; "detection is hard on the feet"
(detection) the perception that something has occurred or some state exists; "early detection can often lead to a cure"
In general, detection is the extraction of particular information from a larger stream of information without specific cooperation from or synchronization with the sender.
To discover or find by careful search, examination, or probing
(detected) Referring to something that has been noticed
(1.3.5 Detected) In relation to hardware, detected by automatic diagnostic tests, internal or by a connected safety logic solver
(detection) finding disease. Early detection means that the disease is found at an early stage, before it has grown large or spread to other sites. Note: many forms of cancer can reach an advanced stage without causing symptoms. ...