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¹solid

adjective sol·id \ˈsä-ləd\

: firm or hard : not having the form of a gas or liquid

: having no space inside : not hollow

: made entirely from the specified material

Full Definition of SOLID

a : being without an internal cavity <a solid ball of rubber>

b (1) : printed with minimum space between lines (2) : joined without a hyphen <a solid compound>

c : not interrupted by a break or opening <a solid wall>

: having, involving, or dealing with three dimensions or with solids <a solid configuration>

a : of uniformly close and coherent texture : not loose or spongy : compact

b : possessing or characterized by the properties of a solid : neither gaseous nor liquid <solid waste>

: of good substantial quality or kind <solid comfort>: as

a : sound <solid reasons>

b : made firmly and well <solid furniture>

c : reliable <a solid performer>

a : having no break or interruption <waited three solid hours>

b : unanimous <had the solid support of the party>

c : intimately friendly or associated <solid with the boss>

a : prudent; also : well established financially

b : serious in purpose or character

: of one substance or character: as

a : entirely of one metal or containing the minimum of alloy necessary to impart hardness <solid gold>

b : of a single color

— sol·id·ly adverb

— sol·id·ness noun

See solid defined for English-language learners

See solid defined for kids

Origin of SOLID

Middle English solide, from Middle French, from Latin solidus; akin to Greek holos whole — more at safe

First Known Use: 14th century

Related to SOLID

Synonyms: commonsense, commonsensible, commonsensical, firm, hard, informed, just, justified, levelheaded, logical, rational, reasonable, reasoned, sensible, sober, good, valid, well-founded

Antonyms: groundless, illogical, invalid, irrational, nonrational, nonsensical, nonvalid, unfounded, uninformed, unjustified, unreasonable, unreasoned, unsound

Other Chemical Engineering Terms

alkali, cation, decant, hygroscopic, isotope, oxidize, slurry, solute, viscous

Rhymes with SOLID

squalid, stolid

²solid

noun

: a solid substance : a substance that is not a gas or a liquid

geometry : an object that has length, width, and height : a three-dimensional object

solids : foods that are not liquid

Full Definition of SOLID

: a geometrical figure or element (as a cube or sphere) having three dimensions — see volume table

a : a substance that does not flow perceptibly under moderate stress, has a definite capacity for resisting forces (as compression or tension) which tend to deform it, and under ordinary conditions retains a definite size and shape

b : the part of a solution or suspension that when freed from solvent or suspending medium has the qualities of a solid —usually used in plural <milk solids>

: something that is solid: as

a : a solid color

b : a compound word whose members are joined together without a hyphen

See solid defined for English-language learners