waste of material(n = noun.act) Array - a useless consumption of material; Array
is a kind of dissipation, waste, wastefulness

abrasive material, absorbent material, adhesive material, adsorbent material, alkali waste, animal material, bedding material, body waste, building material, coloring material, colouring material, combustible material, composite material, contrast material, covering material, create from raw material, fencing material, food waste, high-level radioactive waste, human waste, insulating material, lay waste, lay waste to, laying waste, low-level radioactive waste, material, material body, material breach, material possession, material resource, material witness, packing material, paving material, permissive waste, photographic material, piece of material, plant material, promotional material, radioactive material, radioactive waste, raw material, reading material, roofing material, sealing material, semiconducting material, sorbent material, toxic industrial waste, toxic waste, toxic waste area, toxic waste dump, toxic waste site, upholstery material, waste, waste away, waste basket, waste material, waste matter, waste of effort, waste of energy, waste of money, waste of time, waste one's time, waste paper, waste pipe, waste product, waste time, written material