ground substance

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noun Biology.

Also called matrix. the homogeneous substance in which the fibers and cells of connective tissue are embedded.

Also called hyaloplasm. the clear portion of the cell cytoplasm; cytosol.

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Origin of ground substance

First recorded in 1880–85

Words nearby ground substance

groundsman, groundspeed, ground squirrel, ground state, ground stroke, ground substance, groundswell, ground tackle, ground tissue, ground-to-air, ground-to-ground

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use ground substance in a sentence

For every nanosecond that I miraculously lift off the ground, I land with an inordinately loud thud.
How Taryn Toomey’s ‘The Class’ Became New York’s Latest Fitness Craze|Lizzie Crocker|January 9, 2015|DAILY BEAST
That article noted that the F-35 does not currently have the ability to down-link live video to ground troops,.
Pentagon Misfires in Stealth Jet Scandal|Dave Majumdar|January 8, 2015|DAILY BEAST
Scalise spoke briefly, adding little of substance, saying that the people back home know him best.
The Price of Steve Scalise’s Silence|Jason Berry|January 7, 2015|DAILY BEAST
That ground hold was to stop you flying through weather that could kill you and everyone else aboard.
Annoying Airport Delays Might Prevent You From Becoming the Next AirAsia 8501|Clive Irving|January 6, 2015|DAILY BEAST

The Eighty-ninth Congress was potentially more fertile ground for the broad range of controversial programs on his dream agenda.
Thank Congress, Not LBJ for Great Society|Julian Zelizer, Scott Porch|January 4, 2015|DAILY BEAST
A desultory conversation on politics, in which neither took the slightest interest, was a safe neutral ground.
The Pit Town Coronet, Volume I (of 3)|Charles James Wills
He didn't need to wait—as the birds did—until an angleworm stuck his head above ground.
The Tale of Grandfather Mole|Arthur Scott Bailey
The Vine is a universal favorite, and rarely out of view; while it often seems to cover half the ground in sight.
Glances at Europe|Horace Greeley
In withdrawing aside sorrow remaineth: and the substance of the poor is according to his heart.
The Bible, Douay-Rheims Version|Various
Entrez donc, 'tis the work of one of your compatriots; and here, though a heretic, you may consider yourself on English ground.
Blackwood's Edinburgh Magazine, Volume 60, No. 372, October 1846|Various

Medical definitions for ground substance

ground substance

The amorphous intercellular material in which the cells and fibers of connective tissue are embedded, composed of proteoglycans, plasma constituents, metabolites, water, and ions present between cells and fibers.matrix

hyaloplasm

Scientific definitions for ground substance

ground substance

The intercellular material in which the cells and fibers of connective tissue are embedded, composed largely of glycosaminoglycans, metabolites, water, and ions.

The clear, fluid portion of cytoplasm as distinguished from the organelles and other cell components.