[en] Heat conductivity of turbostrate boron nitride within the temperature range 80-380 K is measured on two compacted specimens of boron nitride for which a degree of three-dimensional disordering of initial powder is 0.298 and 0.345. A background thermal conductivity is calculated for theoretical description of the obtained results in supposition of the linear frequency dependence of the reverse time of relaxation and using the Debay temperature as an adjusting parameter. The obtained results well agree with experimental ones