Term: fireclay: a heat-resistant clay
Broader: clay: a very fine-grained soil that is plastic when moist but hard when fired | Unrelated: luddite: one of the 19th century English workmen who destroyed laborsaving machinery that they thought would cause unemployment
Broader: clay: a very fine-grained soil that is plastic when moist but hard when fired | Unrelated: leapfrog: a game in which one child bends down and another leaps over
Broader: clay: a very fine-grained soil that is plastic when moist but hard when fired | Unrelated: don: a Spanish gentleman or nobleman
Broader: clay: a very fine-grained soil that is plastic when moist but hard when fired | Unrelated: sonora: ground snakes
Broader: clay: a very fine-grained soil that is plastic when moist but hard when fired | Unrelated: facsimile: an exact copy or reproduction
Broader: clay: a very fine-grained soil that is plastic when moist but hard when fired | Unrelated: immune system: a system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response
Broader: clay: a very fine-grained soil that is plastic when moist but hard when fired | Unrelated: development: a district that has been developed to serve some purpose
Broader: clay: a very fine-grained soil that is plastic when moist but hard when fired | Unrelated: niff: an unpleasant smell
Broader: clay: a very fine-grained soil that is plastic when moist but hard when fired | Unrelated: underpayment: the act of paying less than required
Broader: clay: a very fine-grained soil that is plastic when moist but hard when fired | Unrelated: judaism: Jews collectively who practice a religion based on the Torah and the Talmud