crackless

== English == === Etymology === From crack +‎ -less. === Adjective === crackless (comparative more crackless, superlative most crackless) That lacks cracks. 1972, {unattributed}, Periodica Polytechnica: Civil engineering. Bauingenierwesen, Volumes 16-17 "However, the structure remained crackless, i.e. it was in the so-called first stress state." ==== Derived terms ====