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inner core

The innermost part of something. The term is used both literally and figuratively. What is the Earth's inner core made of? At his inner core, he's a good person, I just know it.
See also: core, inner

outer core

One part of the inside of the Earth (as opposed to the Earth's "inner core"). All right class, what can you tell me about the Earth's outer core?
See also: core, outer

be rotten to the core

To be entirely bad, evil, or corrupt. The defense attorney refused to take the case when he realized the criminal was rotten to the core, unrepentantly boasting about his heinous crimes. That company is just rotten to the core—I wouldn't be surprised if all the employees were embezzling money!
See also: core, rotten

to the core

Fully or completely; in the most essential or inherent way. That company is just rotten to the core—I wouldn't be surprised if all the employees were embezzling money!
See also: core

hard core

1. noun A very devoted subset of an organization. They're the hard core of the group, so I'd talk them if you're interested in volunteering.
2. adjective Describing someone who is staunch and unyielding in their beliefs. The phrase is typically hyphenated when used before a noun. She's a hard-core liberal, so good luck getting her to listen to your conservative views.
3. adjective Describing pornography that is especially graphic or explicit. I was appalled to find hard-core porn on his computer.
4. adjective Describing something that is especially intense or impressive. Wow, you're really specializing in surgery? That's hard core!
5. adjective Describing a style of rock music that is especially loud and aggressive. You'll go deaf if you keep listening to that hard core rock at such a loud volume!
See also: core, hard

rotten to the core

Fig. really bad; corrupt. That lousy punk is rotten to the core. The entire administration is rotten to the core.
See also: core, rotten

to the core

all the way through; basically and essentially. (Usually with some negative sense, such as evil, rotten, etc.) Bill said that John is evil to the core. This organization is rotten to the core.
See also: core

rotten to the core

Thoroughly bad, as in It seems that this police unit is rotten to the core, involved in numerous extortion schemes . The noun core here denotes the central part or heart of anything or anyone. The idiom was first recorded in 1804.
See also: core, rotten

to the core

COMMON You use to the core after an adjective to make a statement stronger, especially a statement describing how someone feels or describing the character of someone or something. Father Godfrey Carney said the community was shocked to the core. The insurance industry is rotten to the core. Loxton, the artist, was English to the core yet she was inspired by France.
See also: core

to the ˈcore

very much; in every way: He’s a Welshman to the core.They believe that our society is rotten to the core (= completely bad).
See also: core

(the) ˌhard ˈcore

(British English) the small central group in an organization, or in a particular group of people, who are the most active or who will not change their beliefs or behaviour: It’s only really the hard core that bother(s) to go to meetings regularly. ▶ ˈhard-core adj.
1 having a belief or a way of behaving that will not change: a hard-core political activist
2 relating to pornography (= books, videos, etc. that describe or show naked people and sexual acts) of an extreme kind: hard-core sex magazines
See also: core, hard


1. mod. sexually explicit; pornographic. You can’t sell that hard-core stuff in a store like this!
2. mod. extreme; entrenched. There are too many hard-core cases of poverty there.
3. mod. very good; stunning; great. I’d like a really hard-core pizza with at least five kinds of cheese.
4. mod. extreme; quintessential. She thinks of herself as a hard-core leftist.

rotten to the core

mod. really bad. (see also rotten apple.) That lousy punk is rotten to the core.
See also: core, rotten

soft core

1. mod. referring to a mild type of pornography. Now even the soft core stuff is getting harder to find at newsstands.
2. n. mild pornography. They keep some soft core under the counter.
See also: core, soft


1. mod. [of pornography] less revealing or realistic than real life; not showing genitals. They are showing a lot of soft-core stuff on cable and most of the soap operas.
2. mod. less intense or extreme than hard-core. She had a soft-core approach to portraying suffering.
References in periodicals archive ?
Along with the actual casting trials, it needed to be determined why such properties occurred with the silica cores.
ARM (LSE: ARM; Nasdaq: ARMHY), a provider of 16/32-bit embedded RISC processor solutions, and Fujitsu Limited, a provider of Internet-based IT solutions, have announced that Fujitsu has licensed the ARM926EJ-S core and the ARM946E-S core for use in portable multimedia electronic products such as digital cameras, PDAs, next-generation mobile phones and Internet appliances.
For example, automatic core-handling equipment requires almost no variation in core length since most such equipment is set up to gang-wind cores of a specific size.
Veining reducers have been specifically formulated to relieve the stress that occurs in the cured core sand mixture by positioning itself between the sand grains and acting as a buffer.
Operators also ultrasonically weld a plastic cap over a hole in the plenum (used to locate the cores securely in the injection mold), and leak test the part.
Eureka offers a wide range of silicon proven system core logic and peripheral function cores for different CPU and bus standards including AMBA AHB(TM), PCI(TM), PCI-X(TM), PCI Express(TM), Cardbus(TM), SDR/DDR SDRAM, NAND Flash, SD, SDIO(TM), CompactFlash(TM) and PCMCIA(TM).
The operators running the tests would hold cores up to the camera for inspection while International-Waukesha would watch on their computers at their desks.
to assemble, load and unload cores, plus two Electrovert LMD 2000 core-casting machines and two induction melt-out systems purchased through Electrovert and based on induction coils from Inductoheat.
Once on the conveyor, the sand cores pass through the drying oven and a cooling zone.
It is expected that facility cores needs may change with time.
If the remanufacturer has not purchased a particular type of core during the year, it must obtain a quote from the core broker from which it purchases (in dollar terms) the most cores.
The servo motor turns a specially designed worm gear that reportedly engages the cores more accurately than spur gears.
Quad-Core AMD Opteron[TM] Processors Designed for Automatic Adjustment of Individual Core Frequencies for Improving Power Efficiency in the Datacenter
In addition, Xilinx also announced two new IP cores today, the XAUI and Ethernet 1000BASE-X PCS/PMA LogiCORE products.