per second per second

adverb

Definition of per second per second

: per second every second used of acceleration

Examples of per second per second in a Sentence

Recent Examples on the Web Just as speed tells you how fast your position changes, acceleration describes how your speed changes in meters per second per second (m/s2). Popular Mechanics Editors, Popular Mechanics, 15 Sep. 2019 In the vertical direction, the ball starts with zero vertical velocity and then accelerates downward at 9.8 meters per second per second (due to the gravitational force). Adam Rogers, WIRED, 10 July 2019 And, though the acceleration produced is small (1mm per second per second), there is little in the vacuum of space to slow the craft down. The Economist, 21 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'per second per second.' 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 per second per second

1916, in the meaning defined above

Keep scrolling for more

Learn More About per second per second

Time Traveler for per second per second

Time Traveler

The first known use of per second per second was in 1916

See more words from the same year

Dictionary Entries Near per second per second

persea

per second per second

persecute

See More Nearby Entries 

Statistics for per second per second

Cite this Entry

“Per second per second.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/per%20second%20per%20second. Accessed 31 Jul. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

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!