subgrade

noun
sub·​grade | \ ˈsəb-ˌgrād How to pronounce subgrade (audio) \

Definition of subgrade

: a surface of earth or rock leveled off to receive a foundation (as of a road)

Examples of subgrade in a Sentence

Recent Examples on the Web Water flows through the cracks in a street and weaken the gravel base layer and the ground, called the subgrade. Laurinda Joenks, Arkansas Online, 17 Feb. 2021 Center Ridge Road, west of Jaycox Road: · Crews will continue grading the subgrade, filling in with 304 stone, and installing underdrain. Linda Gandee, cleveland, 27 Apr. 2020 Resurfacing projects seal the surface to prevent rain water from reaching the base course and the subgrade and degrading those materials. Mike Danahey, Elgin Courier-News, 11 June 2018

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

1893, in the meaning defined above

Keep scrolling for more

Learn More About subgrade

Time Traveler for subgrade

Time Traveler

The first known use of subgrade was in 1893

See more words from the same year

Dictionary Entries Near subgrade

subgovernment

subgrade

subgraph

See More Nearby Entries 

Statistics for subgrade

Cite this Entry

“Subgrade.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subgrade. Accessed 16 Sep. 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?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!