earthworm


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

earthworm

(ûrth′wûrm′)
n.
Any of various terrestrial annelid worms of the class Oligochaeta, especially those of the family Lumbricidae, that burrow into and help aerate and enrich soil.

earthworm

any ANNELID of the order Oligochaeta.

earthworm

the common oligochete worm of the genera Lumbricus, Allobophora, Eisenia etc.; they act as intermediate hosts for a number of internal parasites of livestock, and are reputed to bring anthrax spores to the surface and precipitate an outbreak of the disease.
References in periodicals archive ?
The new earthworms are distinguished by a set of characters.
She added: "I look forward to seeing if anyone can find an even bigger example by taking part in the Earthworm Watch survey this autumn.
Because earthworms have so many predators, they don't usually grow to Dave's size.
The common earthworm (Lumbricus terrestris) is known by a variety of names, but nightcrawler is most often used in North America.
Sample collection: Earthworm and soil samples were collected from all three abattoir sites and the control site, by the digging and hand sorting method according to the standard method of Owa (1992).
Earthworm play a key role in soil biology as versatile bioreactors .
The most likely explanation is that the earthworms consume organic
Unlike most animals, the earthworms don't stop growing once they reach adult size.
Make that material into small pieces so that earthworm may easily feed on it.
2003) and the toxicity of abamectin to earthworm (Sun et al.
The invasive alien earthworm from Europe and Asia disturb our natural forest nutrient cycles and mix soil layers, making them more porous.
com)-- Beginning in February, 2015, Earthworm Drain Cleaner and Earthworm Septic Powder can now be purchased in Demoulas Market Basket.