solid

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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

(as) solid as a rock

Exceptionally 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

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

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, of, on, solid, sound

*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

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 ?
(14) utilized self-similarity, in particular, for Brinell indentation of a power-law solid, aided by a specially designed finite element procedure.
Another advantage of the solid products is that when they are injected (pumped) into the machine, they are already mixed with water; therefore, because a raw chemical isn't being pumped directly into the wash wheel, there is far less potential for chemical burns or stains.
If you relax the conditions for generating the Platonic solids and specify that faces must be regular but not necessarily identical polygons, there are 13 such polyhedra, known as Archimedean solids.
Moreover, solid modeling has allowed Lanco designers to create interference-free assemblies, which has helped reduce overall design time by 20 percent.
* With solids, swallow at least 2 times per mouthful --the first to send the food down, followed by a dry swallow to catch any residual particles.
Equivalent units are up only 5.5% for solids, whereas dollar volume is up 8.3%, which shows that price increases more than unit sales are driving dollar volume growth in this category.
With the Solids Import option, the user of Gibbs' Milling and Lathe CAM packages gains the ability to visualize the CAD solid model within GibbsCAM.
Students had also previously played a "mystery solid" game using clues to guess the identities of unknown solids.
SECONDARY SEDIMENTATION TANK Wastewater circulates between the secondary aeration tank and the secondary sedimentation tank until it is clear of remaining solids.
SOLID MODELS ARE defined by the information that describes them in their database and are independent of the display methods used to show them to the engineer.
Rhino, from Robert McNeel & Associates (Seattle, WA), is an extremely inexpensive, Windows-based, free-form 3D modeling program that handles non-uniform rational B-spline (NURBS) curves, surfaces, and solids. It also supports non-manifold geometry and polygon meshes.
APPLICATION: The capillary-coriolis viscometer can reliably measure on-line the viscosity and density of kraft black liquors, including liquors with very high solids content.
When processors asked screw designer Robert Dray how to compare different types of barrier screws, he modeled melting capacity based on the biggest single factor, solids channel area.
Stephenson; Chemical and Structural Investigation in the [Ta.sub.2][O.sub.5]-[WO.sub.3] System; in Chemistry of Extended Defects in Non-Metallic Solids, North Holland Publishing Co., Amsterdam, North Holland (1970).
The best known and most widely used porous solids today are crystals called zeolites.