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interact

American  
[in-ter-akt] / ˌɪn tərˈækt /

verb (used without object)

  1. to act one upon another.

    A person's microbiome and immune system may interact in ways that promote inflammation.

  2. to communicate, work, or participate in an activity with someone or something: a user interacting with a computer program.

    a boss who seldom interacts with employees;

    a user interacting with a computer program.


interact British  
/ ˌɪntərˈækt /

verb

  1. (intr) to act on or in close relation with each other

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of interact

First recorded in 1740–50; inter- + act

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She added, “We do believe it was through connections in his home community and state, and we’re going to continue to talk to those who interacted with him.”

From The Wall Street Journal

When these deep waters rise again, they deliver this accumulated acidity back to the surface, where the water interacts with atmospheric CO2 and becomes even more acidic.

From Science Daily

"We found that early-life RSV infection and genetic allergy risk interact in a very specific way that pushes the immune system toward asthma. The encouraging news is that this process can be prevented."

From Science Daily

One photon from the pair travels to the second quantum dot and interacts with its photon.

From Science Daily

Autism is a multifaceted condition that shapes how an individual communicates, interacts socially and interprets the world.

From Science Daily