- Look up
urchin in Wiktionary, the free dictionary.
Urchin or
urcheon is the
Middle English term for "hedgehog". It may
refer to:
Street children, homeless...
- Sea
urchins or
urchins (/ˈɜːrtʃɪnz/) are
typically spiny,
globular animals,
echinoderms in the
class Echinoidea.
About 950
species live on the seabed,...
-
Urchin (also
known as Evil Ways) were an
English hard rock band. The band was
formed in 1972 by
childhood friends Dave
Murray and
Adrian Smith.
Along with...
-
Urchin was a web
statistics analysis program that was
developed by
Urchin Software Corporation.
Urchin analyzed web
server log file
content and displa****...
-
Urchin Tracking Module (UTM)
parameters are five
variants of URL
parameters used by
marketers to
track the
effectiveness of
online marketing campaigns...
- An
urchin barren is
commonly defined as an
urchin-dominated area with
little or no kelp.
Urchin grazing pressure on kelp is a
direct and
observable cause...
-
Astropyga radiata, the red
urchin, fire
urchin,
false fire
urchin or blue-spotted
urchin, is a
species of sea
urchin in the
family Diadematidae. It is...
-
Purple sea
urchin can
refer to one of
several species of sea
urchin:
Arbacia punctulata, a
species of sea
urchin from the
family Arbaciidae commonly known...
-
genus of sea
urchins. Sea
urchins are
echinoderms that are
typically spherical or
flattened with a
covering of spine-like structures. Sea
urchins tend to be...
-
commonly known as the
slate pencil urchin, red
slate pencil urchin, or red
pencil urchin, is a
species of
tropical sea
urchin from the Indo-Pacific region.[page needed]...