Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

sweep-second

noun

Definition of sweep-second

: a second hand on a timepiece mounted concentrically with the other hands and read on the minute dial also : a timepiece with such a second hand

— called also center-second

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about sweep-second

Statistics for sweep-second

Look-up Popularity

Comments on sweep-second

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

Show Comments  Hide Comments 

WORD OF THE DAY

remittance

Listen to the pronounciation of remittance

a sum of money that is sent as a payment

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

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!

Words at Play
Ask the Editors
Word Games