1
the solidity of sth
此结构用于具体或抽象事物，表示其坚固性或可靠性；solidity 为不可数名词，通常与定冠词连用。
The solidity of the evidence convinced the jury.
证据的可靠性说服了陪审团。
固态；固体性
solidities — plural of solidity
先理解核心含义，再看它在真实句子里的用法。
固态；固体性
the consistency of a solid
The solidity of the evidence convinced the jury.
证据的可靠性说服了陪审团。
坚固性；固体状态。
The state or quality of being solid.
道德坚定；有效性；真实性；确定性。
Moral firmness; validity; truth; certainty.
物体的固体含量；体积；内部空间量。
The solid contents of a body; volume; amount of enclosed space.
The solidity of the old bridge surprised the engineers after the storm.
旧桥的坚固程度在暴风雨后令工程师们感到惊讶。
Investors value the financial solidity of this company before buying shares.
投资者在购买股票前看重这家公司的财务稳健性。
The physicist measured the solidity of the material by checking its density.
物理学家通过检查密度来测量材料的固体性。
此结构用于具体或抽象事物，表示其坚固性或可靠性；solidity 为不可数名词，通常与定冠词连用。
The solidity of the evidence convinced the jury.
证据的可靠性说服了陪审团。
此介词短语作方式状语，相当于副词 solidly，多用于正式语境。
He presented his argument with solidity.
他以稳固的方式陈述了他的论点。
Not this
The solid of this material is very important for construction.
Use this
The solidity of this material is very important for construction.
当表示“坚固”这一抽象性质时，英语需要用名词 solidity，而不能把形容词 solid 当名词用。solid 作名词时意为“固体、固态物体”（如 solids and liquids），无法表达“坚固性”。
Not this
We need a solidity foundation to support the bridge.
Use this
We need a solid foundation to support the bridge.
solidity 是名词，不能放在名词前作定语；表示“坚固的”时应用形容词 solid。“坚固的地基”应说 a solid foundation。
Not this
The solidarity of the bridge was questioned after the earthquake.
Use this
The solidity of the bridge was questioned after the earthquake.
solidarity 意为“团结、一致”，用于人或群体；描述建筑物或物体的坚固可靠要用 solidity。这两个词拼写相似，但含义完全不同。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
结构坚固
Engineers checked the structural solidity of the bridge before reopening it.
工程师在重新开放大桥前检查了其结构坚固性。
财务稳健
The company's financial solidity reassured investors during the crisis.
危机期间，公司的财务稳健让投资者感到安心。
道德坚定
Her moral solidity made her a trusted leader.
她坚定的道德品质使她成为受人信任的领导者。
表面上的坚固
The apparent solidity of the ice was deceptive.
冰面表面上的坚固具有迷惑性。
性格坚毅
His solidity of character earned him widespread respect.
他坚毅的性格赢得了广泛的尊重。
Use solidities naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
由 solid（坚固的）加名词后缀 -ity 构成，联想一块实心铁块：坚固、实在、可靠。记住 solid 就记住了 solidity。
语域：formal 常见场景：formal writing、academic or technical descriptions、financial or legal contexts solidity 较为正式，通常用于书面语或严肃场合，表示坚固、稳健或可靠。口语中更常使用 solidness 或 sturdiness。
These six words all share the '-idity' ending and rhyme with 'solidity' when pronounced with a stressed /ɪ/ followed by /dɪti/. Beware lookalikes that sound different, such as 'solid' /ˈsɒlɪd/ and 'solitude' /ˈsɒlɪtjuːd/.
Dictionary facts from ECDICT, WIKTIONARY.