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Related to clumping: sperm clumping


1. A clustered mass; a lump: clumps of soil.
2. A thick grouping, as of trees or bushes.
3. A heavy dull sound; a thud.
v. clumped, clump·ing, clumps
1. To form lumps or thick groupings.
2. To walk or move so as to make a heavy dull sound.
To gather into or form lumps or thick groupings of.

[Probably Low German klump, from Middle Low German klumpe, cluster of trees.]

clump′y adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.clumping - the sound of a horse's hoofs hitting on a hard surface
sound - the sudden occurrence of an audible event; "the sound awakened them"
References in classic literature ?
Dickon's moorland boots were thick and clumsy and though he tried to walk quietly they made a clumping sound as he walked through the long corridors.
The cat litter is available in five formulas: okocat Soft Step Wood Clumping Litter, okocat Natural Wood Clumping Litter, okocat Natural Wood Long Hair Clumping Litter, okocat Natural Wood Pine Litter and okocat Natural Paper Dust Free Litter.
Clumping can be used as a test of your blood group.
This enables the product to layer up on itself to give thicker lashes without clumping.
Washington, March 21 ( ANI ): Curcumin, a compound found in the spice turmeric, has been found to be effective at preventing clumping of a protein involved in Parkinson's disease.
Some of the critters' normal stress responses are necessary to block clumping, too.
People with platelet clumping have an antibody in their blood that recognizes these changes, binds to the platelets, and provokes clumping.
A Platelet clumping is a common problem in the hematology laboratory, frequently leading to reports of spurious thrombocytopenia and sometimes spurious leukocytosis.
Running varieties of bamboo usually are more cold-hardy than the clumping varieties and are the best choice for erosion control, such as stabilizing banks.
Even around the house, clumping and caking can cause problems.
WHEN THEY BECOME OVERGROWN and stop blooming well, it's time to dig up clumping perennials and cut them apart.
This cutting-to-the-ground technique is often useful in rejuvenating clumping perennials.