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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 ?
Just now it's the fashion to be hideous, to make your head look like a scrubbing brush, wear a strait jacket, orange gloves, and clumping square-toed boots.
The clumping of hobnailed boots on the gravel outside proclaimed the approach of Manning.
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.
1, 2013 /PRNewswire/ -- World's Best Cat Litter(TM) announced today that three of its all-natural clumping formulas are now available at more than 650 Walmart locations across the United States.
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.
CHURCH & DWIGHT INTRODUCES its Arm & Hammer Double Duty Clumping Cat Litter, designed to eliminate both urine and feces odors.
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.