precast

pre- +‎ cast

• (General American) IPA^(key): /pɹiˈkæst/
• (Received Pronunciation) IPA^(key): /pɹiːˈkɑːst/
• Rhymes: -æst, -ɑːst
• Hyphenation: pre‧cast

precast (not comparable)

1. Cast previously in another location.

   The bridge used precast concrete girders.

   • 1950 October, “Completion of Flood-Damage Repairs, East Coast Main Line”, in Railway Magazine, page 709:

     The new culvert, 200 ft. long, was constructed with precast reinforced concrete segments, similar to those used in building the London tube railway tunnels, and is being lined internally with reinforced concrete placed in situ to give a finished internal diameter of 9 ft.

   • 2009 January 22, Jim Robbins, “The Logless Log Home”, in New York Times‎:

     Except that in their case, the logs are made from precast concrete shaped and painted to look like the real thing.

   • 2021 July 14, Paul Stephen, “A portal into the future”, in RAIL, number 935, page 52. photo caption:

     Each TBM installs two-metre-wide rings made up of seven precast concrete segments produced on-site. Each ring takes approximately 45 minutes to one hour to install.

• cast-in-place

precast (countable and uncountable, plural precasts)

1. Structural members made of concrete, ready for installation.

precast (third-person singular simple present precasts, present participle precasting, simple past and past participle precast)

1. To cast in a location other than where to be installed.

• CatSper, carpest, carpets, cepstra, preacts, spectra