sinkage
noun
sink·age ˈsiŋ-kij 
1
: depression, indentation
2
: the process or degree of sinking
3
: the distance from the top line of a full page to the first line of lowered matter
Example Sentences
Recent Examples on the Web Again, a memory foam mattress can fit the bill as well as a hybrid mattress, but bear in mind that foam mattresses tend to be on the softer side (making uncomfortable sinkage a risk). 
Sara Coughlin, SELF, 27 June 2022 The sinkage and erosion that result are not good news for the many roads and pipelines used by oil and gas industry workers up there. Ned Rozell, Anchorage Daily News, 29 Jan. 2022 That plan also calls for a series of 36 inch casings, or holes, to be drilled below ground as sheaths for the piles, but doing so previously resulted in sinkage and the work was paused in August. Chase Difeliciantonio, San Francisco Chronicle, 14 Oct. 2021 This sinkage can burst pipes, crack foundations, and destroy roads, so engineers study the composition of potential landfill development sites to assess future stability and to develop designs that can account for settlement. Dylan Taylor-lehman, Popular Mechanics, 29 July 2021 Differential sinkage is a constant concern for developers. Dylan Taylor-lehman, Popular Mechanics, 29 July 2021 Essentially, this causes the ground to cave in on itself, causing the sinkage seen over time in a place like Corcoran. Andy Meek, BGR, 29 May 2021 The bowl is the region of deep sinkage in the land, with Corcoran at the center — a sinkhole at a snail’s pace. New York Times, 25 May 2021 Built from high-density memory foam, this topper also helps alleviate body aches by supporting pressure points and preventing too much sinkage. Joanna Sciarrino, Forbes, 28 Apr. 2021 See More
Sara Coughlin, SELF, 27 June 2022 The sinkage and erosion that result are not good news for the many roads and pipelines used by oil and gas industry workers up there. Ned Rozell, Anchorage Daily News, 29 Jan. 2022 That plan also calls for a series of 36 inch casings, or holes, to be drilled below ground as sheaths for the piles, but doing so previously resulted in sinkage and the work was paused in August. Chase Difeliciantonio, San Francisco Chronicle, 14 Oct. 2021 This sinkage can burst pipes, crack foundations, and destroy roads, so engineers study the composition of potential landfill development sites to assess future stability and to develop designs that can account for settlement. Dylan Taylor-lehman, Popular Mechanics, 29 July 2021 Differential sinkage is a constant concern for developers. Dylan Taylor-lehman, Popular Mechanics, 29 July 2021 Essentially, this causes the ground to cave in on itself, causing the sinkage seen over time in a place like Corcoran. Andy Meek, BGR, 29 May 2021 The bowl is the region of deep sinkage in the land, with Corcoran at the center — a sinkhole at a snail’s pace. New York Times, 25 May 2021 Built from high-density memory foam, this topper also helps alleviate body aches by supporting pressure points and preventing too much sinkage. Joanna Sciarrino, Forbes, 28 Apr. 2021 See More Word History
First Known Use
1783, in the meaning defined at sense 2