tortoise-core

[ tawr-tuhs-kawr, -kohr ]

/ ˈtɔr təsˌkɔr, -ˌkoʊr /

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noun

Archaeology. a late Lower and Middle Paleolithic stone core characteristic of the Levalloisian tradition of toolmaking, having a rounded top and flattish bottom and prepared in advance to permit the removal of a single ellipsoid flake with one blow from a stone hammer.

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Origin of tortoise-core

First recorded in 1915–20

Words nearby tortoise-core

tortillon, tortious, tortoise, tortoise beetle, tortoise brooch, tortoise-core, tortoise plant, tortoiseshell, tortoiseshell cat, tortoiseshell turtle, Tortola

How to use tortoise-core in a sentence

It is a spy series at its core, but you guys never really pull from the headlines.
‘Archer’ Creator Adam Reed Spills Season 6 Secrets, From Surreal Plotlines to Life Post-ISIS|Marlow Stern|January 8, 2015|DAILY BEAST
Another read: “We need leaders who will stand against Common Core.”
Rand Paul’s Passive-Aggressive Trolling Campaign|Olivia Nuzzi|January 6, 2015|DAILY BEAST
A soldier in the service of ideals and aspirations that formed his core.
Mario Cuomo, Always Moving Us Toward the Light|Mike Barnicle|January 4, 2015|DAILY BEAST
Some of them would open up deep splits in core Democratic constituencies.
Thank Congress, Not LBJ for Great Society|Julian Zelizer, Scott Porch|January 4, 2015|DAILY BEAST

Politicians who openly associated with Duke, or his hard-core associates, did so at their own risk.
The Louisiana Racists Who Courted Steve Scalise|Jason Berry|January 3, 2015|DAILY BEAST
But Harris, exhausted and shaken as he was to the very core, paced by his side, only half listening.
Three More John Silence Stories|Algernon Blackwood
In moments of utter bereavement who has not felt, to the heart's core, the tender attachment of a faithful dog?
The World Before Them|Susanna Moodie
It was one of the conservative sheets, comic-less, reactionary Republican to the core.
Hooded Detective, Volume III No. 2, January, 1942|Various
The measure of oil also, a bate of oil is the tenth part of a core: and ten bates make a core: for ten bates fill a core.
The Bible, Douay-Rheims Version|Various
She peered at first into Um's room for there, indeed, lay the core of old Mata's heart.
The Dragon Painter|Mary McNeil Fenollosa