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Related to solid: States of matter

have a (good/solid/sound/etc.) grasp of/on (something)

To have a firm, clear understanding or determination of something. I hope everyone has a solid grasp of the material, as you'll be tested on it next week. I thought I had a pretty good grasp on English idioms, but I don't understand this one at all!
See also: grasp, have, of, on, solid, sound

get a (good/solid/sound/etc.) grasp of/on (something)

To attain a firm, clear understanding or determination of something. You will need to get a solid grasp of the material, as you'll all be tested on it next week. I'm trying to get a grasp on English, but I don't understand some of these idioms at all!
See also: get, grasp, of, on, solid, sound

be (as) solid as a rock

To be stable, sturdy, and reliable. They've been married for 50 years, so their relationship has to be solid as a rock. That table must be as solid as a rock to withstand the ceiling collapse with hardly a scratch.
See also: rock, solid

*solid as a rock

Cliché very solid; dependable. (*Also: as ~.) Jean has been lifting weights every day, and her arm muscles are solid as a rock. This company has always built power tools that are as solid as a rock.
See also: rock, solid

(as) solid as a ˈrock

extremely solid and reliable: The Irish team were solid as a rock in defence. ▶ ˌrock-ˈsolid adj.: The company has a rock-solid reputation.
See also: rock, solid


1. mod. good; great; cool. Listen to that solid beat.
2. mod. consecutive; consecutively. Then he “had the flu” for three days solid.
References in periodicals archive ?
Vials & Intravenous Solutions), Solid Dosage Forms (Tablets &
For 52 wealthier countries (in which per-capita income is more than US$10,500), the researchers assumed that fewer than 5% of the population depended on household solid fuels.
Mathematicians on-site can change the kernel--a full surface and solid kernel--as needed.
To explore the behavior of solid helium, the researchers placed inside the oscillator's bob a porous glass disk the diameter of a dime.
The city of Hawthorne, located in southern California, recently unveiled a solid waste and recycling program that aims to boost the recycling level by opening up the commercial sector from a franchise agreement to one of open competition for "clean recyclers.
Lemieux, the Deputy Sanitation Commissioner in charge of Solid Waste Management and Facilities Development said "One thing we will be talking about is a solid waste authority.
A PDM system called "Insight" is built into Solid Edge V16; it's not yet-another-bolted-on piece of software.
NASA and other rocketeers usually choose liquid or solid fuels.
Therefore, a solid layer enclosing the partly solidified metal often is formed.
The new products automate the design process to varying degrees, but many go as far as to enable creation of a solid mold assembly with just a few mouse clicks, Much of that added speed comes from the ability of most software to handle design revisions automatically or semi-automatically.
In addition, Solid Innovation clients will find it is reliable and safe, measuring up to the same high standard found in all Solid Innovation software.
It would be easy to replace the entire disk subsystem with a Solid State Accelerator, but this may not be needed.
Because these slabs are extra dense, they tug on the solid inner core and raise welts a hundred meters or so that stick up into the fluid outer core.
It's not that unusual these days for molders to use 3D solid modeling for part design.