iron+rule
61white iron — Iron I ron ([imac] [u^]rn), n. [OE. iren, AS. [=i]ren, [=i]sen, [=i]sern; akin to D. ijzer, OS. [=i]sarn, OHG. [=i]sarn, [=i]san, G. eisen, Icel. [=i]sarn, j[=a]rn, Sw. & Dan. jern, and perh. to E. ice; cf. Ir. iarann, W. haiarn, Armor. houarn.]… …
62Wrought iron — Iron I ron ([imac] [u^]rn), n. [OE. iren, AS. [=i]ren, [=i]sen, [=i]sern; akin to D. ijzer, OS. [=i]sarn, OHG. [=i]sarn, [=i]san, G. eisen, Icel. [=i]sarn, j[=a]rn, Sw. & Dan. jern, and perh. to E. ice; cf. Ir. iarann, W. haiarn, Armor. houarn.]… …
63wrought iron — Iron I ron ([imac] [u^]rn), n. [OE. iren, AS. [=i]ren, [=i]sen, [=i]sern; akin to D. ijzer, OS. [=i]sarn, OHG. [=i]sarn, [=i]san, G. eisen, Icel. [=i]sarn, j[=a]rn, Sw. & Dan. jern, and perh. to E. ice; cf. Ir. iarann, W. haiarn, Armor. houarn.]… …
64rule someone/thing with a rod of iron — control or govern someone or something very harshly. → rod …
65rule someone or something with a rod of iron — control or govern someone or something very strictly or harshly …
6618-Electron rule — The 18 electron rule is a rule of thumb used primarily in transition metal chemistry for characterizing and predicting the stability of metal complexes. Valence shells of a transition metal can accommodate 18 electrons: 2 in each of the five d… …
67Company rule in India — For usage, see British Empire in India Company rule in India Colony of the East India Company ↓ …
68British Iron Age — In Britain and Ireland the Iron Age lasted from about the 7th century BC until the Roman conquest and until the 5th century in non Romanised parts such as Scotland and Ireland. This period is also called the era of Celtic Britain cite web… …
69Cast iron — For cookware, see Cast iron cookware. Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) …
70Korea under Japanese rule — (Chōsen (Korea), Empire of Japan) 日本統治時代の朝鮮(大日本帝国朝鮮) 일제 강점기 (日帝强占期) Japanese colony …