A water-colour can be opaque.Logical formLearned from1 sentences. Some medias can be opaque.Logical formLearned from1 sentences. A fluid can be opaque to rays.Logical formLearned from1 sentences. Some enamels may be made opaque by an addition of calx.Logical formLearned from1 sentences. Part can be opaque.Logical formLearned from1 sentences. A (material present) can be opaque.Logical formLearned from1 sentences. Imitations can be opaque.Logical formLearned from1 sentences. Some solids can be opaque to rays.Logical formLearned from1 sentences. A nucleus can be opaque.Logical formLearned from1 sentences. A solid body can be opaque.Logical formLearned from1 sentences. Powders of substances can be opaque.Logical formLearned from1 sentences. Carbons can be opaque.Logical formLearned from1 sentences. Some kinds can be opaque.Logical formLearned from1 sentences. Iris can be opaque.Logical formLearned from1 sentences. A coat can be opaque.Logical formLearned from1 sentences.