detect

• "She detected high levels of lead in her drinking water"
• "We found traces of lead in the paint"

Synonyms

• observediscover or determine the existence, presence, or fact of; make mention of; observe with care or pay close attention to; watch attentively; show respect towards; behave as expected during of holidays or rites; follow with the eyes or the mind; stick to correctly or closely; conform one's action or practice to
• finda productive insight ; the act of discovering something ; come upon, as if by accident; discover or determine the existence, presence, or fact of; come upon after searching; establish after a calculation, investigation, experiment, survey, or study; come to believe on the basis of emotion, intuitions, or indefinite grounds; perceive or be contemporaneous with; get something or somebody for a specific purpose; make a discovery, make a new finding; make a discovery; obtain through effort or management; decide on and make a declaration about; receive a specified treatment (abstract); perceive oneself to be in a certain condition or place; get or find back; succeed in reaching; accept and make use of one's personality, abilities, and situation
• discoverdiscover or determine the existence, presence, or fact of; get to know or become aware of, usually accidentally; make a discovery, make a new finding; make a discovery; find unexpectedly; make known to the public information that was previously known only to a few people or that was meant to be kept a secret; see for the first time; identify as in botany or biology, for example
• noticean announcement containing information about an event; the act of noticing or paying attention; a request for payment; advance notification (usually written) of the intention to withdraw from an arrangement of contract; a sign posted in a public place as an advertisement; polite or favorable attention; a short critical review; discover or determine the existence, presence, or fact of; notice or perceive; make or write a comment on; express recognition of the presence or existence of, or acquaintance with