bridge-building; construction of a bridge
Refers to the act or process of building a bridge. Often used in engineering or construction contexts.
Bridge-building over this river is scheduled to start next year.
cross-linking
Chemistry term for forming bonds between polymer chains. The cross-reference to 架橋 (sense 4) suggests this is a specialized usage.
See also: 架橋
This polymer gains strength through cross-linking.
Standard spelling for the general meaning of bridge-building.
Alternate kanji spelling; 架 is used in 架橋 (かきょう), a synonym for bridge-building.
Uncommon variant; 掛ける can mean to hang or suspend, but this spelling is rarely used.
Compound of 橋 (はし, bridge) and かけ (連用形 of かける, to build or span). The kanji spellings reflect different nuances of かける: 架ける (to erect a framework) and 掛ける (to hang or suspend).