tardigrade


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

tar·di·grade

 (tär′dĭ-grād′)
n.
Any of various slow-moving, microscopic invertebrates of the phylum Tardigrada that have four body segments, eight legs, and a chitinous cuticle, inhabit aquatic or moist terrestrial environments, and can withstand extreme temperatures. Also called water bear.
adj.
1. Of or belonging to the Tardigrada.
2. Slow in action; slow-moving.

[New Latin Tardigrada, phylum name, from neuter pl. of Latin tardigradus, slow-moving : tardus, slow + -gradus, walking, moving (from gradī, to go; see transgress). Adj., sense 2, from Latin tardigradus.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tardigrade

(ˈtɑːdɪˌɡreɪd)
n
(Animals) any minute aquatic segmented eight-legged invertebrate of the phylum Tardigrada, related to the arthropods, occurring in soil, ditches, etc. Popular name: water bear
adj
(Animals) of, relating to, or belonging to the Tardigrada
[C17: via Latin tardigradus, from tardus sluggish + gradī to walk]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tar•di•grade

(ˈtɑr dɪˌgreɪd)

n.
1. any microscopic, chiefly herbivorous invertebrate of the phylum Tardigrada, living in water or on mosses, lichens, etc.
adj.
2. slow in pace or movement.
[1615–25; < Latin tardigradus slow-paced. See tardy, -grade]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tardigrade - an arthropod of the division Tardigrada
arthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
class Tardigrada, Tardigrada - in some classifications considered a separate phylum: microscopic arachnid-like invertebrates living in water or damp moss having 4 pairs of legs and instead of a mouth a pair of stylets or needlelike piercing organs connected with the pharynx
stylet - small needlelike appendage; especially the feeding organ of a tardigrade
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
Bärtierchen
References in periodicals archive ?
According to Science Alert,&nbsp;the tardigrade, who are closely related to roundworms, are also well known for having a talent for surviving extreme conditions.
We have also recently begun making similar measurements on a species of tardigrade, Milnesium tardigradum.
"If they're going to say that the brain of&nbsp;Kerygmachela&nbsp;is like that of a tardigrade, you have to be really, really careful," Nicholas Strausfeld told National Geographic.
Mopsechiniscus franciscae is a tardigrade, or water bear.
TARDIGRADE DIVERSITY IN THE MOSS ULOTA CRISPA FROM TREE CANOPIES IN THE GREAT SMOKY MOUNTAINS NATIONAL PARK--A PRELIMINARY REPORT.
When it comes to survival, few creatures are as sturdy as the tardigrade. The tiny animals, also called water bears, are known to exist in over 1,000 different species, and a new one was just added to the list.
To establish a benchmark for this, we've been studying what is arguably the world's hardiest species, the tardigrade, also known as the "water bear" for its appearance.
A special ability called cryptobiosis allows a tardigrade to expel nearly all of the water in its body and pause its metabolism, putting it into a seed-like inactive state that helps the tiny creature endure the extreme temperatures of -272 to 151AdegC and the absence of oxygen or water for as long as 120 years without aging.
Lukasz Kaczmarek, a tardigrade expert and astrobiologist at the Adam Mickiewicz University in Poland, said the animals could have survived the crash landing.
A scanning electron microscope image of the hydrated tardigrade, Ramazzottius varieornatus (AFP Photo/HO)
Consider the tardigrade, also known as the water bear.
Paul Academy and Summit School, "Tardigrade Abundance as a Bioindicator for Water Quality"