1. 坚硬：solidly 坚硬地 | solidness 坚硬 | solidus 古罗马金币

2. 硬度：solidly packed tunnel 充填密实的炮眼孔道 | solidness 硬度 | solidoid 固相

3. 硬质、硬性：solid medium固体培养基 | solidness硬质、硬性 | solidoid固相

4. 硬度;硬性：软化温度;软化点 softening temperature | 硬度;硬性 solidness | 溶度参数 solubility parameter

noun

1. the quality of being solid and reliable financially or factually or morally

e.g. the solidity of the evidence worked in his favor
the solidness of her faith gave her enduring hope

Synonym: solidity

2. the quality of being substantial or having substance

Synonym: substantialitysubstantialness

3. the consistency of a solid

Synonym: solidity

4. the state in which a substance has no tendency to flow under moderate stress
resists forces (such as compression) that tend to deform it
and retains a definite size and shape

Synonym: solidsolid state