Mēnā he puata-kore tētahi mea, ka aukatia katoatia te haere o te aho. Ka pā te aho ki taua mea, kāore e puta ki tua, ka mitia, ka whakaatangia rānei. He puata-kore te rākau, te raima, me te kōhatu.
If something is opaque, then light cannot travel through it. The light is absorbed and/or reflected. Wood, concrete, and stone are examples of opaque materials.