thickness
n.
Old English þicness "density, viscosity, hardness; depth; anything thick or heavy; darkness; thicket;" see thick + -ness.
| 词汇 | thickness | 
| 词根词缀 | Online Etymology Dictionary thickness n. Old English þicness "density, viscosity, hardness; depth; anything thick or heavy; darkness; thicket;" see thick + -ness. | 
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