Definitions

from The Century Dictionary.

  • noun The typical genus of Planariidæ. P. torva is an example.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) Any species of turbellarian worms belonging to Planaria, and many allied genera. The body is usually flat, thin, and smooth. Some species, in warm countries, are terrestrial.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Plural form of planarium.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts

Etymologies

Sorry, no etymologies found.

Examples

  • This experiment involved one of the most primitive forms of life, a type of worm called planaria.

    Meditation as Medicine

  • This experiment involved one of the most primitive forms of life, a type of worm called planaria.

    Meditation as Medicine

  • Although animals such as planaria and starfish can regrow virtually any part of their bodies, humans have restricted regenerative capabilities.

    Media Newswire

  • July 28th, 2009 3: 39 pm ET yeah, fascinating like planaria ... but I wouldn't put one of those in office either ...

    Powell calls Palin a 'fascinating figure'

  • Within a year, the presence of RNAi had been documented in many other organisms, including fruit flies, trypanosomes, plants, planaria, hydra and zebrafish27.

    Advanced Information: The 2006 Nobel Prize in Physiology or Medicine

  • Charles Darwin used Werner's Nomenclature of Colors but the only mention of "broccoli-brown" in Voyage of the Beagle is in a description of some kind of planaria.

    Archive 2008-05-01

  • Charles Darwin used Werner's Nomenclature of Colors but the only mention of "broccoli-brown" in Voyage of the Beagle is in a description of some kind of planaria.

    more coffee musings

  • Scientists kept a group of planaria in a dark box, flashed a light at them, then shocked them with electricity.

    Meditation as Medicine

  • Scientists kept a group of planaria in a dark box, flashed a light at them, then shocked them with electricity.

    Meditation as Medicine

  • Jim, this research—if I'm understanding Ael correctly—had its earliest antecedents on Earth in some very primitive mind experiments concerning planaria.

    My Enemy My Ally

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