interact

American

[in-ter-akt] / ˌɪn tərˈækt /

verb (used without object)

to act one upon another.

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

(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.

Each sensor records diffraction patterns, which describe how light waves spread after interacting with an object.

From Science Daily

These jets are known to form when gas falling into a supermassive black hole reaches extreme temperatures and interacts with powerful magnetic fields.

From Science Daily

They also aim to study how exercise-related effects interact with common cancer treatments such as chemotherapy and radiotherapy.

From Science Daily

They also aim to understand how this pathway interacts with other pathogen traits that influence infection success.

From Science Daily

When warmer particles interact with cooler ones, energy and momentum are gradually shared until temperatures even out across the system.

From Science Daily

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023