thickness

n 1 [U] quality or degree of being thick 厚、 密、 浓、 混浊等（的程度）: 4cm in thickness/a thickness of 4cm 厚4厘米[4厘米的厚度]. 2 [C] layer 层: one thickness of cotton wool and two thicknesses of felt 一层棉絮及两层毛毡. 3 [C] part (of sth) that is thick or between two opposite surfaces （某物的）较厚的或夹在两层中间的部分: steps cut into the thickness of the wall 在墙的横断面凿出的台阶.

thermostat, thermostatic, thermostatically, thesaurus, these, thesis, Thespian, Thespian (also thespian), they, they'd, they'll, they're, they've, thick, thick-headed, thick-skinned, thicken, thickening, thicket, thickly, thickset, thief, thieve, thievery, thievish, thievishly, thigh, thigh-bone, thimble, thimbleful, thin, thine, thing, things considered, thingummy, think, think about sth., think ahead (to sth), think back (to sth), think better of,