(biochemistry) The breakdown of a xylan.

(mathematics) A polynomial of the form displaystyle (1+t)ᶻ(1-t)⁻ᶻ=∑ₙg_n(z)tⁿ.

(initialism, Australia) Travel Compensation Fund, a government run fund to cover travel agency insolvency.

The act of moralizing. / Moral reform.