attenuator

noun
at·​ten·​u·​a·​tor | \-yə-ˌwā-tər, -yü-ˌā-\

Definition of attenuator 

: a device for attenuating especially : one for reducing the amplitude of an electrical signal without appreciable distortion

Examples of attenuator in a Sentence

Recent Examples on the Web

The resulting damage made the attenuator ineffective and likely contributed to Huang's death. Timothy B. Lee, Ars Technica, "NTSB: Autopilot steered Tesla car toward traffic barrier before deadly crash," 7 June 2018 The damage likely made the attenuator ineffective and contributed to Huang’s death. Andrew J. Hawkins, The Verge, "Tesla’s Autopilot steered car toward barrier before deadly crash, investigators say," 7 June 2018 The best part is that the results are the same when the attenuator is put into the circuit. Chris Lee, Ars Technica, "NASA’s EM-drive is a magnetic WTF-thruster," 21 May 2018 Tesla said the reason the crash was so severe was because the attenuator had been crushed in a prior accident without being replaced. Andrew J. Hawkins, The Verge, "Tesla says Autopilot was engaged during fatal Model X crash," 31 Mar. 2018 However, the crash attenuator that the Tesla impacted had been damaged a week prior, when another car hit the barrier at the same spot. Avery Thompson, Popular Mechanics, "NTSB: Tesla's Autopilot Steered Into Barrier in Fatal Crash," 7 June 2018 Investigators have previously said the attenuator, overseen by the California Department of Transportation, had been damaged in a previous incident and had not been reset. Faiz Siddiqui, Washington Post, "NTSB ‘unhappy’ with Tesla release of investigative information in fatal crash," 1 Apr. 2018 The report does not assign blame but says that Huang had received warnings to place his hands back on the wheel about 15 minutes prior to the crash, and that the car steered itself into the broken highway attenuator. Aarian Marshall, WIRED, "This Week in the Future of Cars: It's Business Time," 10 June 2018 At 3 seconds prior to the crash and up to the time of impact with the crash attenuator, the Tesla’s speed increased from 62 to 70.8 mph, with no precrash braking or evasive steering movement detected. Avery Thompson, Popular Mechanics, "NTSB: Tesla's Autopilot Steered Into Barrier in Fatal Crash," 7 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'attenuator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of attenuator

1899, in the meaning defined above

Keep scrolling for more

Learn More about attenuator

Share attenuator

Statistics for attenuator

Look-up Popularity

Time Traveler for attenuator

The first known use of attenuator was in 1899

See more words from the same year

More from Merriam-Webster on attenuator

See words that rhyme with attenuator

Comments on attenuator

What made you want to look up attenuator? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to clear from alleged fault or guilt

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!