sedimentation

noun

sed·​i·​men·​ta·​tion ˌse-də-mən-ˈtā-shən 

-ˌmen-

: the action or process of forming or depositing sediment : settling

Examples of sedimentation in a Sentence

Recent Examples on the Web

The erythrocyte sedimentation rate (ESR) blood test measures how quickly erythrocytes, a type of red blood cell, settle at the bottom of a test tube. —Suchandrima Bhowmik, Health, 1 May 2025

Historic volumes of trash and sedimentation from unknown sources in Mexico in recent years have also compromised the IBWC’s repair efforts. —Tammy Murga, San Diego Union-Tribune, 4 Mar. 2025

One of the most common tests is called the erythrocyte sedimentation rate, a blood test that measures the level of certain proteins that correlate with the amount of inflammation in the body. —Akshay Syal, M.d., NBC News, 4 Mar. 2025

One critical task the federal agency managed to check off its list last month was bringing all five primary sedimentation tanks online. —Tammy Murga, San Diego Union-Tribune, 15 Feb. 2025

Word History

First Known Use

1848, in the meaning defined above

Rhymes for sedimentation

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration
• adulteration

Kids Definition

sedimentation

noun

sed·​i·​men·​ta·​tion ˌsed-ə-mən-ˈtā-shən 

-ˌmen-

: the action or process of depositing sediment

Medical Definition

sedimentation

noun

sed·​i·​men·​ta·​tion ˌsed-ə-(ˌ)men-ˈtā-shən 

1

: the action or process of depositing sediment

2

: the depositing especially by mechanical means of matter suspended in a liquid