isopycnal

i·so·pyc·nic

[ahy-suh-pik-nik]
adjective
1.
Also, i·so·pyc·nal [ahy-suh-pik-nl] . having the same density.
noun
2.
a line drawn on a map connecting all points having the same density, as of water or air.

Origin:
1885–90; iso- + pycnic, variant of pyknic

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
isopycnal or isopycnic (ˌaɪsəʊˈpɪknəl, -ˈpɪknɪk) [Click for IPA pronunciation guide]
 
n
a line on a map connecting points of equal atmospheric density
 
[C19: from iso- + Greek puknos thick]
 
isopycnic or isopycnic
 
n
 
[C19: from iso- + Greek puknos thick]

00:10
Isopycnal is always a great word to know.
So is interrobang. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a stew of meat, vegetables, potatoes, etc.
isopycnal or isopycnic (ˌaɪsəʊˈpɪknəl, -ˈpɪknɪk) [Click for IPA pronunciation guide]
 
n
a line on a map connecting points of equal atmospheric density
 
[C19: from iso- + Greek puknos thick]
 
isopycnic or isopycnic
 
n
 
[C19: from iso- + Greek puknos thick]

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