foraminifer
Americannoun
noun
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Etymology
Origin of foraminifer
1835–45; < New Latin Foraminifera, equivalent to Latin forāmin-, stem of forāmen foramen + -ifera; see -i-, -fer
Example Sentences
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Now, an international group of researchers have discovered a previously unknown species of large foraminifer, shedding new light on the ecological evolution and biodiversity of coral reefs in the Ryukyu Islands.
From Science Daily ● Sep. 19, 2023
The Laurentian rocks have yielded only one fossil—a large foraminifer named Eozoon Canadense.
From Geology by Geikie, James
In these rocks the nucleus of every minute spherule is seen, under the microscope, to consist of a small rhizopod or foraminifer.
From The Student's Elements of Geology by Lyell, Charles, Sir
Sir William Dawson’s name is especially associated with the Eozoon canadense, which in 1864 he described as an organism having the structure of a foraminifer.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 10 "David, St" to "Demidov" by Various
Beds of gneiss and quartzite, with interstratified limestones, in one of which, 1000 feet thick, occurs a foraminifer, Eozoon Canadense, the oldest known fossil.
From The Student's Elements of Geology by Lyell, Charles, Sir
The method examines the chemistry of ancient foraminifera, microscopic marine organisms whose remains are preserved in seafloor sediments.
From Science Daily ● Jul. 16, 2026
The researchers looked at carbon and oxygen isotopes in multiple species of planktonic and benthic foraminifera.
From Science Daily ● Dec. 4, 2024
Nitrogen isotopes preserved within fossil foraminifera enabled the scientists to track past changes in column denitrification in the water.
From Science Daily ● Feb. 15, 2024
He added foraminifera to these samples and every few days measured how the oxygen levels changed at different depths.
From Science Daily ● Dec. 11, 2023
With the exception of foraminifera which have been found in the boulder clay of widely separated regions, fossils are practically unknown; but in some maritime districts marine shells have been incorporated with the clay.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John" by Various
The study focuses on three major groups of calcifying plankton: coccolithophores, foraminifers, and pteropods.
From Science Daily ● Feb. 8, 2026
To the west its waters were clear and on its floor the crumbled remains of foraminifers gathered in heavy accumulations of calcareous ooze,— the white chalk of France and England.
From The Elements of Geology by Norton, William Harmon
Beneath the reef are thick beds of limestone, composed largely of the remains of foraminifers, which cover the lavas and fragraental materials of the old submarine volcano.
From The Elements of Geology by Norton, William Harmon
At one moment he has to deal with the bones of some large mammal scattered through a deposit of superficial gravel, at another time with the minute foraminifers and ostracods of an upraised sea-bottom.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various
Certain small foraminifers, for example, met with in some of the oldest formations, do not seem to differ from species which are still living.
From Geology by Geikie, James
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
