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bi-pyramidal
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bi·pyr·a·mid
/
baɪˈpɪr
ə
mɪd
/
Show Spelled
[
bahy-
pir
-
uh
-mid
]
Show IPA
noun
Crystallography
.
a form symmetrical about a plane dividing it into two
pyramids
.
Also called
dipyramid
.
Origin:
bi-
1
+
pyramid
Related forms
bi·py·ram·i·dal
/
ˌbaɪ
pɪˈræm
ɪ
dl
/
Show Spelled
[
bahy-pi-
ram
-i-dl
]
Show IPA
,
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
|
Link To
bi-pyramidal
Collins
World English Dictionary
bipyramid
(ˌbaɪˈpɪrəmɪd)
—
n
a geometrical form consisting of two pyramids with a common polygonal base
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Bi-pyramidal
is always a great word to know.
So is
ninnyhammer
. Does it mean:
So is
doohickey
. Does it mean:
So is
gobo
. Does it mean:
a gadget; dingus; thingumbob.
a fool or simpleton; ninny.
a gadget; dingus; thingumbob.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
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