responder

[ri-spon-der]

noun

1. a person or thing that responds.

2. Electronics.,  the part of a transponder that transmits the reply.

Word History and Origins

Origin of responder¹

First recorded in 1875–80; respond + -er ¹

Example Sentences

"Microglia are not simply destructive responders in Alzheimer's disease -- they can become the brain's protectors," explained Anne Schaefer, the senior author of the research and leader of the project.

Read more on Science Daily

“Every doctor I saw asked me if I had spent a lot of time at Ground Zero, given how common blood cancers are among first responders,” Schlossberg wrote.

Read more on Los Angeles Times

Dr Umesh, who is a medical doctor, said that ambulance staff told her no-one has burn injuries but that some first responders inhaled "toxic fumes" and are now using oxygen masks.

Read more on BBC

He said in a statement that the fires nearly destroyed his home, but that the “heroism of the first responders who fought to save our community” inspired him.

Read more on Los Angeles Times

“The only concern for the response tomorrow will be the bad weather coming in, so the safety of our responders could become an issue.”

Read more on Los Angeles Times