heterocercal

[ het-er-uh-sur-kuhl ]

/ ˌhɛt ər əˈsɜr kəl /

adjective Ichthyology.

having an unequally divided tail, characteristic of sharks, rays, and skates.

Compare diphycercal, homocercal.

Origin of heterocercal

1830–40; hetero- + Greek kérk(os) a tail + -al¹

OTHER WORDS FROM heterocercal

het·er·o·cer·cal·i·ty

[het-er-oh-ser-kal-i-tee], /ˌhɛt ər oʊ sərˈkæl ɪ ti/, noun

Words nearby heterocercal

heteroatom, heteroauxin, heteroblastic, heterocarpy, heterocellular, heterocercal, heterochlamydeous, heterochromatic, heterochromatin, heterochrome, heterochromia

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for heterocercal

The tail is diphycercal, heterocercal, or else it degenerates into a whip-like organ, a form which has been called leptocercal.
A Guide to the Study of Fishes, Volume 1 (of 2)|David Starr Jordan
The tail may be heterocercal, as in Acipenser, or diphycercal as in Polypterus.
The Vertebrate Skeleton|Sidney H. Reynolds
In Dipterus there are no marginal teeth, and the tail is heterocercal, not diphycercal, as in the other Dipnoans generally.
A Guide to the Study of Fishes, Volume 1 (of 2)|David Starr Jordan
The tail is slender and heterocercal, the caudal fin deeply forked.
A Guide to the Study of Fishes, Volume 1 (of 2)|David Starr Jordan

The heterocercal tail is one in which the hindmost vertebræ are bent upwards.
A Guide to the Study of Fishes, Volume 1 (of 2)|David Starr Jordan

British Dictionary definitions for heterocercal

heterocercal

/ (ˌhɛtərəʊˈsɜːkəl) /

adjective

ichthyol of or possessing a tail in which the vertebral column turns upwards and extends into the upper, usually larger, lobe, as in sharksCompare homocercal

Word Origin for heterocercal

C19: from hetero- + Greek kerkos tail

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	heterocercal
释义	heterocercal [ het-er-uh-sur-kuhl ] / ˌhɛt ər əˈsɜr kəl / adjective Ichthyology. having an unequally divided tail, characteristic of sharks, rays, and skates. Compare diphycercal, homocercal. Origin of heterocercal 1830–40; hetero- + Greek kérk(os) a tail + -al¹ OTHER WORDS FROM heterocercal het·er·o·cer·cal·i·ty [het-er-oh-ser-kal-i-tee], /ˌhɛt ər oʊ sərˈkæl ɪ ti/, noun Words nearby heterocercal heteroatom, heteroauxin, heteroblastic, heterocarpy, heterocellular, heterocercal, heterochlamydeous, heterochromatic, heterochromatin, heterochrome, heterochromia Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for heterocercal The tail is diphycercal, heterocercal, or else it degenerates into a whip-like organ, a form which has been called leptocercal. A Guide to the Study of Fishes, Volume 1 (of 2)\|David Starr Jordan The tail may be heterocercal, as in Acipenser, or diphycercal as in Polypterus. The Vertebrate Skeleton\|Sidney H. Reynolds In Dipterus there are no marginal teeth, and the tail is heterocercal, not diphycercal, as in the other Dipnoans generally. A Guide to the Study of Fishes, Volume 1 (of 2)\|David Starr Jordan The tail is slender and heterocercal, the caudal fin deeply forked. A Guide to the Study of Fishes, Volume 1 (of 2)\|David Starr Jordan The heterocercal tail is one in which the hindmost vertebræ are bent upwards. A Guide to the Study of Fishes, Volume 1 (of 2)\|David Starr Jordan British Dictionary definitions for heterocercal heterocercal / (ˌhɛtərəʊˈsɜːkəl) / adjective ichthyol of or possessing a tail in which the vertebral column turns upwards and extends into the upper, usually larger, lobe, as in sharksCompare homocercal Word Origin for heterocercal C19: from hetero- + Greek kerkos tail Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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