portingn.1
/ˈpɔːtɪŋ/, U.S. /ˈpɔrdɪŋ/ The arrangement and size of the ports in an internal combustion engine; the adjustment or alteration of these.
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society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > arrangement of ports
porting1948
1948 Hot Rod Mag. Nov. 13/2 Porting , consists of enlarging and polishing the valve ports (intake and/or exhaust) and adding oversized valves and stronger springs.
1960 C. F. Taylor Internal-combustion Engine I. vii. 238 (caption) Two-stroke engine porting.
1980 Dirt Bike Oct. 18/2 The T-model eliminates all this heartache with a redesigned cylinder, porting, and considerably larger transfers.
2005 Bass & Walleye Boats (Nexis) 1 Jan. 42 Slightly more radical porting and cylinder heads give it more power and torque.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
portingn.2
/ˈpɔːtɪŋ/, U.S. /ˈpɔrdɪŋ/ The action of port v.2 3; (Computing) the adaptation of a piece of software for a different type of machine or system.
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1972 Computer Design Nov. 107 Problems encountered in peripheral sharing applications..are identified, and implementation details for a dual porting technique which overcomes them are presented.
1984 Computerworld (Nexis) 26 Sept. 75 Other milestones were..the porting of Unix to Amdahl Corp.'s 470 series in 1981.
1992 Dr. Dobb's Jrnl. Sept. 21/1 (advt.) Extensive Microsoft compatibility simplifies porting of 16-bit code.
2004 Indianapolis Star 9 Jan. (State ed.) a11 (advt.) When porting becomes available, you will be able to check your [telephone] number's eligibility at any Verizon Wireless store.
This is a new entry (OED Third Edition, December 2006; most recently modified version published online March 2022).
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n.11948n.21972